156240898 has 16 divisors (see below), whose sum is σ = 255884544. Its totient is φ = 70958160.

The previous prime is 156240883. The next prime is 156240911. The reversal of 156240898 is 898042651.

It is a happy number.

It is a super-2 number, since 2×156240898² = 48822436415692808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32911 + ... + 37357.

It is an arithmetic number, because the mean of its divisors is an integer number (15992784).

Almost surely, 2^156240898 is an apocalyptic number.

156240898 is a deficient number, since it is larger than the sum of its proper divisors (99643646).

156240898 is a wasteful number, since it uses less digits than its factorization.

156240898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 156240898 is about 12499.6359146977. The cubic root of 156240898 is about 538.5982138171.

The spelling of 156240898 in words is "one hundred fifty-six million, two hundred forty thousand, eight hundred ninety-eight".