155355404 has 12 divisors (see below), whose sum is σ = 271966464. Its totient is φ = 77650704.

The previous prime is 155355383. The next prime is 155355439. The reversal of 155355404 is 404553551.

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, 11957 + ... + 21299.

It is an arithmetic number, because the mean of its divisors is an integer number (22663872).

Almost surely, 2^155355404 is an apocalyptic number.

It is an amenable number.

155355404 is a deficient number, since it is larger than the sum of its proper divisors (116611060).

155355404 is a wasteful number, since it uses less digits than its factorization.

155355404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 155355404 is about 12464.1647935191. The cubic root of 155355404 is about 537.5787852063.

The spelling of 155355404 in words is "one hundred fifty-five million, three hundred fifty-five thousand, four hundred four".