155323012 has 24 divisors (see below), whose sum is σ = 293065472. Its totient is φ = 71604000.

The previous prime is 155323001. The next prime is 155323037. The reversal of 155323012 is 210323551.

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, 78637 + ... + 80587.

Almost surely, 2^155323012 is an apocalyptic number.

It is an amenable number.

155323012 is a deficient number, since it is larger than the sum of its proper divisors (137742460).

155323012 is a wasteful number, since it uses less digits than its factorization.

155323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 155323012 is about 12462.8653206235. The cubic root of 155323012 is about 537.5414204244.

Adding to 155323012 its reverse (210323551), we get a palindrome (365646563).

The spelling of 155323012 in words is "one hundred fifty-five million, three hundred twenty-three thousand, twelve".