156420332 has 48 divisors (see below), whose sum is σ = 305690112. Its totient is φ = 69653760.

The previous prime is 156420317. The next prime is 156420337. The reversal of 156420332 is 233024651.

It is not an unprimeable number, because it can be changed into a prime (156420337) 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 15 ways as a sum of consecutive naturals, for example, 160607 + ... + 161577.

It is an arithmetic number, because the mean of its divisors is an integer number (6368544).

Almost surely, 2^156420332 is an apocalyptic number.

It is an amenable number.

156420332 is a deficient number, since it is larger than the sum of its proper divisors (149269780).

156420332 is a wasteful number, since it uses less digits than its factorization.

156420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 156420332 is about 12506.8114241800. The cubic root of 156420332 is about 538.8043183229.

Adding to 156420332 its reverse (233024651), we get a palindrome (389444983).

The spelling of 156420332 in words is "one hundred fifty-six million, four hundred twenty thousand, three hundred thirty-two".