156117552 has 20 divisors (see below), whose sum is σ = 403303800. Its totient is φ = 52039168.

The previous prime is 156117551. The next prime is 156117553. The reversal of 156117552 is 255711651.

It is a happy number.

156117552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156117551) and next prime (156117553).

It is not an unprimeable number, because it can be changed into a prime (156117551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1626177 + ... + 1626272.

It is an arithmetic number, because the mean of its divisors is an integer number (20165190).

Almost surely, 2^156117552 is an apocalyptic number.

156117552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156117552 is an abundant number, since it is smaller than the sum of its proper divisors (247186248).

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

156117552 is a wasteful number, since it uses less digits than its factorization.

156117552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252460 (or 3252454 counting only the distinct ones).

The product of its digits is 10500, while the sum is 33.

The square root of 156117552 is about 12494.7009568056. The cubic root of 156117552 is about 538.4564425180.

The spelling of 156117552 in words is "one hundred fifty-six million, one hundred seventeen thousand, five hundred fifty-two".