156420632 has 16 divisors (see below), whose sum is σ = 297002400. Its totient is φ = 77220000.

The previous prime is 156420629. The next prime is 156420659. The reversal of 156420632 is 236024651.

It is a junction number, because it is equal to n+sod(n) for n = 156420595 and 156420604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123119 + ... + 124382.

It is an arithmetic number, because the mean of its divisors is an integer number (18562650).

Almost surely, 2^156420632 is an apocalyptic number.

It is an amenable number.

156420632 is a deficient number, since it is larger than the sum of its proper divisors (140581768).

156420632 is a wasteful number, since it uses less digits than its factorization.

156420632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247586 (or 247582 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 156420632 is about 12506.8234176389. The cubic root of 156420632 is about 538.8046627819.

The spelling of 156420632 in words is "one hundred fifty-six million, four hundred twenty thousand, six hundred thirty-two".