156155646 has 16 divisors (see below), whose sum is σ = 312462864. Its totient is φ = 52026624.

The previous prime is 156155641. The next prime is 156155653. The reversal of 156155646 is 646551651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156155641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10540 + ... + 20576.

It is an arithmetic number, because the mean of its divisors is an integer number (19528929).

Almost surely, 2^156155646 is an apocalyptic number.

156155646 is an abundant number, since it is smaller than the sum of its proper divisors (156307218).

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

156155646 is a wasteful number, since it uses less digits than its factorization.

156155646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12635.

The product of its digits is 108000, while the sum is 39.

The square root of 156155646 is about 12496.2252700566. The cubic root of 156155646 is about 538.5002349281.

The spelling of 156155646 in words is "one hundred fifty-six million, one hundred fifty-five thousand, six hundred forty-six".