156142636 has 12 divisors (see below), whose sum is σ = 294268912. Its totient is φ = 72065808.

The previous prime is 156142633. The next prime is 156142643. The reversal of 156142636 is 636241651.

It is not an unprimeable number, because it can be changed into a prime (156142633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501320 + ... + 1501423.

Almost surely, 2^156142636 is an apocalyptic number.

It is an amenable number.

156142636 is a deficient number, since it is larger than the sum of its proper divisors (138126276).

156142636 is a wasteful number, since it uses less digits than its factorization.

156142636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002760 (or 3002758 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 156142636 is about 12495.7047020166. The cubic root of 156142636 is about 538.4852795874.

The spelling of 156142636 in words is "one hundred fifty-six million, one hundred forty-two thousand, six hundred thirty-six".