155345312 has 24 divisors (see below), whose sum is σ = 319134816. Its totient is φ = 74295232.

The previous prime is 155345291. The next prime is 155345341. The reversal of 155345312 is 213543551.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104798 + ... + 106269.

It is an arithmetic number, because the mean of its divisors is an integer number (13297284).

Almost surely, 2^155345312 is an apocalyptic number.

It is an amenable number.

155345312 is an abundant number, since it is smaller than the sum of its proper divisors (163789504).

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

155345312 is a wasteful number, since it uses less digits than its factorization.

155345312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211100 (or 211092 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 155345312 is about 12463.7599463404. The cubic root of 155345312 is about 537.5671444513.

Adding to 155345312 its reverse (213543551), we get a palindrome (368888863).

The spelling of 155345312 in words is "one hundred fifty-five million, three hundred forty-five thousand, three hundred twelve".