155930012 has 24 divisors (see below), whose sum is σ = 312627840. Its totient is φ = 66662640.

The previous prime is 155930009. The next prime is 155930029. The reversal of 155930012 is 210039551.

155930012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5087 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (13026160).

Almost surely, 2^155930012 is an apocalyptic number.

It is an amenable number.

155930012 is an abundant number, since it is smaller than the sum of its proper divisors (156697828).

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

155930012 is a wasteful number, since it uses less digits than its factorization.

155930012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13721 (or 13719 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 155930012 is about 12487.1939201728. The cubic root of 155930012 is about 538.2407448323.

Adding to 155930012 its reverse (210039551), we get a palindrome (365969563).

The spelling of 155930012 in words is "one hundred fifty-five million, nine hundred thirty thousand, twelve".