155572260 has 48 divisors (see below), whose sum is σ = 449659392. Its totient is φ = 40147200.

The previous prime is 155572259. The next prime is 155572283. The reversal of 155572260 is 62275551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39961 + ... + 43680.

It is an arithmetic number, because the mean of its divisors is an integer number (9367904).

Almost surely, 2^155572260 is an apocalyptic number.

155572260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155572260 is an abundant number, since it is smaller than the sum of its proper divisors (294087132).

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

155572260 is a wasteful number, since it uses less digits than its factorization.

155572260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83684 (or 83682 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 155572260 is about 12472.8609388544. The cubic root of 155572260 is about 537.8287990066.

The spelling of 155572260 in words is "one hundred fifty-five million, five hundred seventy-two thousand, two hundred sixty".