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141544340 = 22572971489
BaseRepresentation
bin10000110111111…
…00101110010100
3100212100012022222
420123330232110
5242213404330
622013441512
73336051500
oct1033745624
9325305288
10141544340
11729973a3
123b4a0298
132342b262
1414b27300
15c65e0e5
hex86fcb94

141544340 has 72 divisors (see below), whose sum is σ = 349571880. Its totient is φ = 47996928.

The previous prime is 141544327. The next prime is 141544349. The reversal of 141544340 is 43445141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2917264 + 138627076 = 1708^2 + 11774^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141544349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94316 + ... + 95804.

It is an arithmetic number, because the mean of its divisors is an integer number (4855165).

Almost surely, 2141544340 is an apocalyptic number.

141544340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141544340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174785940).

141544340 is an abundant number, since it is smaller than the sum of its proper divisors (208027540).

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

141544340 is a wasteful number, since it uses less digits than its factorization.

141544340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 141544340 is about 11897.2408566020. The cubic root of 141544340 is about 521.1517125531.

Adding to 141544340 its reverse (43445141), we get a palindrome (184989481).

The spelling of 141544340 in words is "one hundred forty-one million, five hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 97 98 140 194 196 245 388 485 490 679 970 980 1358 1489 1940 2716 2978 3395 4753 5956 6790 7445 9506 10423 13580 14890 19012 20846 23765 29780 41692 47530 52115 72961 95060 104230 144433 145922 208460 288866 291844 364805 577732 722165 729610 1011031 1444330 1459220 2022062 2888660 4044124 5055155 7077217 10110310 14154434 20220620 28308868 35386085 70772170 141544340