155304552 has 32 divisors (see below), whose sum is σ = 418128480. Its totient is φ = 47785920.

The previous prime is 155304529. The next prime is 155304581. The reversal of 155304552 is 255403551.

It is a happy 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, 248574 + ... + 249197.

It is an arithmetic number, because the mean of its divisors is an integer number (13066515).

Almost surely, 2^155304552 is an apocalyptic number.

155304552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155304552 is an abundant number, since it is smaller than the sum of its proper divisors (262823928).

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

155304552 is a wasteful number, since it uses less digits than its factorization.

155304552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497793 (or 497789 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 155304552 is about 12462.1246984613. The cubic root of 155304552 is about 537.5201241429.

The spelling of 155304552 in words is "one hundred fifty-five million, three hundred four thousand, five hundred fifty-two".