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145250350 = 2527613677
BaseRepresentation
bin10001010100001…
…01100000101110
3101010022111000121
420222011200232
5244141002400
622225115154
73412415260
oct1052054056
9333274017
10145250350
1174a98813
1240788aba
132412806b
141540db30
15cb4221a
hex8a8582e

145250350 has 48 divisors (see below), whose sum is σ = 309721248. Its totient is φ = 49645440.

The previous prime is 145250341. The next prime is 145250387. The reversal of 145250350 is 53052541.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214212 + ... + 214888.

It is an arithmetic number, because the mean of its divisors is an integer number (6452526).

Almost surely, 2145250350 is an apocalyptic number.

145250350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145250350 is an abundant number, since it is smaller than the sum of its proper divisors (164470898).

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

145250350 is a wasteful number, since it uses less digits than its factorization.

145250350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 145250350 is about 12051.9853136319. The cubic root of 145250350 is about 525.6609664466.

The spelling of 145250350 in words is "one hundred forty-five million, two hundred fifty thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 613 677 1226 1354 3065 3385 4291 4739 6130 6770 8582 9478 15325 16925 21455 23695 30650 33850 42910 47390 107275 118475 214550 236950 415001 830002 2075005 2905007 4150010 5810014 10375025 14525035 20750050 29050070 72625175 145250350