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145144350 = 232521343577
BaseRepresentation
bin10001010011010…
…11101000011110
3101010010002121200
420221223220132
5244124104400
622222540330
73411464241
oct1051535036
9333102550
10145144350
1174a2610a
12407376a6
13240bba40
14153c3258
15cb20b00
hex8a6ba1e

145144350 has 144 divisors (see below), whose sum is σ = 430462032. Its totient is φ = 34836480.

The previous prime is 145144343. The next prime is 145144411. The reversal of 145144350 is 53441541.

It is a happy number.

145144350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 251262 + ... + 251838.

Almost surely, 2145144350 is an apocalyptic number.

145144350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145144350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215231016).

145144350 is an abundant number, since it is smaller than the sum of its proper divisors (285317682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145144350 is a wasteful number, since it uses less digits than its factorization.

145144350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145144350 is about 12047.5868953081. The cubic root of 145144350 is about 525.5330640071.

Adding to 145144350 its reverse (53441541), we get a palindrome (198585891).

The spelling of 145144350 in words is "one hundred forty-five million, one hundred forty-four thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 30 39 43 45 50 65 75 78 86 90 117 129 130 150 195 215 225 234 258 325 387 390 430 450 559 577 585 645 650 774 975 1075 1118 1154 1170 1290 1677 1731 1935 1950 2150 2795 2885 2925 3225 3354 3462 3870 5031 5193 5590 5770 5850 6450 7501 8385 8655 9675 10062 10386 13975 14425 15002 16770 17310 19350 22503 24811 25155 25965 27950 28850 37505 41925 43275 45006 49622 50310 51930 67509 74433 75010 83850 86550 112515 124055 125775 129825 135018 148866 187525 223299 225030 248110 251550 259650 322543 337545 372165 375050 446598 562575 620275 645086 675090 744330 967629 1116495 1125150 1240550 1612715 1687725 1860825 1935258 2232990 2902887 3225430 3375450 3721650 4838145 5582475 5805774 8063575 9676290 11164950 14514435 16127150 24190725 29028870 48381450 72572175 145144350