156542112 has 48 divisors (see below), whose sum is σ = 456583680. Its totient is φ = 52180416.

The previous prime is 156542077. The next prime is 156542119. The reversal of 156542112 is 211245651.

156542112 is a `hidden beast` number, since 1 + 5 + 6 + 542 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (156542119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89728 + ... + 91455.

It is an arithmetic number, because the mean of its divisors is an integer number (9512160).

Almost surely, 2^156542112 is an apocalyptic number.

156542112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156542112 is an abundant number, since it is smaller than the sum of its proper divisors (300041568).

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

156542112 is a wasteful number, since it uses less digits than its factorization.

156542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181202 (or 181188 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 156542112 is about 12511.6790240159. The cubic root of 156542112 is about 538.9441095470.

Adding to 156542112 its reverse (211245651), we get a palindrome (367787763).

It can be divided in two parts, 15654 and 2112, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 156542112 in words is "one hundred fifty-six million, five hundred forty-two thousand, one hundred twelve".