155500412 has 24 divisors (see below), whose sum is σ = 275278080. Its totient is φ = 76854960.

The previous prime is 155500363. The next prime is 155500421. The reversal of 155500412 is 214005551.

It is a happy number.

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, 170237 + ... + 171147.

It is an arithmetic number, because the mean of its divisors is an integer number (11469920).

Almost surely, 2^155500412 is an apocalyptic number.

It is an amenable number.

155500412 is a deficient number, since it is larger than the sum of its proper divisors (119777668).

155500412 is a wasteful number, since it uses less digits than its factorization.

155500412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 155500412 is about 12469.9804330239. The cubic root of 155500412 is about 537.7459910267.

Adding to 155500412 its reverse (214005551), we get a palindrome (369505963).

The spelling of 155500412 in words is "one hundred fifty-five million, five hundred thousand, four hundred twelve".