155158430 has 32 divisors (see below), whose sum is σ = 323688960. Its totient is φ = 52446240.

The previous prime is 155158403. The next prime is 155158433. The reversal of 155158430 is 34851551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155158433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10640 + ... + 20579.

It is an arithmetic number, because the mean of its divisors is an integer number (10115280).

Almost surely, 2^155158430 is an apocalyptic number.

155158430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155158430 is an abundant number, since it is smaller than the sum of its proper divisors (168530530).

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

155158430 is a wasteful number, since it uses less digits than its factorization.

155158430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31304.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 155158430 is about 12456.2606748574. The cubic root of 155158430 is about 537.3514916921.

The spelling of 155158430 in words is "one hundred fifty-five million, one hundred fifty-eight thousand, four hundred thirty".