156099242 has 16 divisors (see below), whose sum is σ = 253677312. Its totient is φ = 71612400.

The previous prime is 156099239. The next prime is 156099247. The reversal of 156099242 is 242990651.

156099242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 156099196 and 156099205.

It is not an unprimeable number, because it can be changed into a prime (156099247) 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, 13634 + ... + 22317.

It is an arithmetic number, because the mean of its divisors is an integer number (15854832).

Almost surely, 2^156099242 is an apocalyptic number.

156099242 is a deficient number, since it is larger than the sum of its proper divisors (97578070).

156099242 is a wasteful number, since it uses less digits than its factorization.

156099242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36133.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 156099242 is about 12493.9682247075. The cubic root of 156099242 is about 538.4353910244.

The spelling of 156099242 in words is "one hundred fifty-six million, ninety-nine thousand, two hundred forty-two".