156040651 has 4 divisors (see below), whose sum is σ = 168043792. Its totient is φ = 144037512.

The previous prime is 156040631. The next prime is 156040681.

156040651 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 156040651 - 2⁷ = 156040523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156040601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6001551 + ... + 6001576.

It is an arithmetic number, because the mean of its divisors is an integer number (42010948).

Almost surely, 2^156040651 is an apocalyptic number.

156040651 is a deficient number, since it is larger than the sum of its proper divisors (12003141).

156040651 is a wasteful number, since it uses less digits than its factorization.

156040651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12003140.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 156040651 is about 12491.6232331911. The cubic root of 156040651 is about 538.3680163306.

The spelling of 156040651 in words is "one hundred fifty-six million, forty thousand, six hundred fifty-one".