156673242 has 48 divisors (see below), whose sum is σ = 371217600. Its totient is φ = 47361600.

The previous prime is 156673229. The next prime is 156673243. The reversal of 156673242 is 242376651.

156673242 is a `hidden beast` number, since 1 + 566 + 73 + 24 + 2 = 666.

156673242 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 156673197 and 156673206.

It is not an unprimeable number, because it can be changed into a prime (156673243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117942 + ... + 119262.

It is an arithmetic number, because the mean of its divisors is an integer number (7733700).

Almost surely, 2^156673242 is an apocalyptic number.

156673242 is an abundant number, since it is smaller than the sum of its proper divisors (214544358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156673242 is a wasteful number, since it uses less digits than its factorization.

156673242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1936 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 156673242 is about 12516.9182309385. The cubic root of 156673242 is about 539.0945525944.

The spelling of 156673242 in words is "one hundred fifty-six million, six hundred seventy-three thousand, two hundred forty-two".