155957430 has 16 divisors (see below), whose sum is σ = 374297904. Its totient is φ = 41588640.

The previous prime is 155957413. The next prime is 155957443. The reversal of 155957430 is 34759551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599261 + ... + 2599320.

It is an arithmetic number, because the mean of its divisors is an integer number (23393619).

Almost surely, 2^155957430 is an apocalyptic number.

155957430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155957430 is an abundant number, since it is smaller than the sum of its proper divisors (218340474).

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

155957430 is a wasteful number, since it uses less digits than its factorization.

155957430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198591.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 155957430 is about 12488.2917166440. The cubic root of 155957430 is about 538.2722902239.

The spelling of 155957430 in words is "one hundred fifty-five million, nine hundred fifty-seven thousand, four hundred thirty".