156020234 has 16 divisors (see below), whose sum is σ = 238845672. Its totient is φ = 76410048.

The previous prime is 156020209. The next prime is 156020273. The reversal of 156020234 is 432020651.

It can be written as a sum of positive squares in 4 ways, for example, as 139169209 + 16851025 = 11797^2 + 4105^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106652 + ... + 108104.

Almost surely, 2^156020234 is an apocalyptic number.

156020234 is a deficient number, since it is larger than the sum of its proper divisors (82825438).

156020234 is a wasteful number, since it uses less digits than its factorization.

156020234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 156020234 is about 12490.8059787990. The cubic root of 156020234 is about 538.3445345453.

Adding to 156020234 its reverse (432020651), we get a palindrome (588040885).

The spelling of 156020234 in words is "one hundred fifty-six million, twenty thousand, two hundred thirty-four".