156896442 has 12 divisors (see below), whose sum is σ = 339942330. Its totient is φ = 52298808.

The previous prime is 156896437. The next prime is 156896461. The reversal of 156896442 is 244698651.

It can be written as a sum of positive squares in only one way, i.e., 147403881 + 9492561 = 12141^2 + 3081^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4358217 + ... + 4358252.

Almost surely, 2^156896442 is an apocalyptic number.

156896442 is an abundant number, since it is smaller than the sum of its proper divisors (183045888).

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

156896442 is a wasteful number, since it uses less digits than its factorization.

156896442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716477 (or 8716474 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 156896442 is about 12525.8309903974. The cubic root of 156896442 is about 539.3504329396.

The spelling of 156896442 in words is "one hundred fifty-six million, eight hundred ninety-six thousand, four hundred forty-two".