155084090 has 16 divisors (see below), whose sum is σ = 319030272. Its totient is φ = 53171664.

The previous prime is 155084087. The next prime is 155084123. The reversal of 155084090 is 90480551.

It is a super-2 number, since 2×155084090² = 48102149942256200, which contains 22 as substring.

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, 1107674 + ... + 1107813.

It is an arithmetic number, because the mean of its divisors is an integer number (19939392).

Almost surely, 2^155084090 is an apocalyptic number.

155084090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155084090 is an abundant number, since it is smaller than the sum of its proper divisors (163946182).

155084090 is a wasteful number, since it uses less digits than its factorization.

155084090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215501.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 155084090 is about 12453.2762757437. The cubic root of 155084090 is about 537.2656587978.

The spelling of 155084090 in words is "one hundred fifty-five million, eighty-four thousand, ninety".