156436142 has 16 divisors (see below), whose sum is σ = 249564240. Its totient is φ = 73289088.

The previous prime is 156436141. The next prime is 156436169. The reversal of 156436142 is 241634651.

It is a junction number, because it is equal to n+sod(n) for n = 156436099 and 156436108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156436141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2417 + ... + 17852.

It is an arithmetic number, because the mean of its divisors is an integer number (15597765).

Almost surely, 2^156436142 is an apocalyptic number.

156436142 is a deficient number, since it is larger than the sum of its proper divisors (93128098).

156436142 is a wasteful number, since it uses less digits than its factorization.

156436142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20515.

The product of its digits is 17280, while the sum is 32.

The square root of 156436142 is about 12507.4434637939. The cubic root of 156436142 is about 538.8224707143.

The spelling of 156436142 in words is "one hundred fifty-six million, four hundred thirty-six thousand, one hundred forty-two".