100255090 has 32 divisors (see below), whose sum is σ = 194803056. Its totient is φ = 36929280.

The previous prime is 100255079. The next prime is 100255109. The reversal of 100255090 is 90552001.

It can be written as a sum of positive squares in 8 ways, for example, as 34304449 + 65950641 = 5857^2 + 8121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84300 + ... + 85480.

Almost surely, 2^100255090 is an apocalyptic number.

100255090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100255090 is a deficient number, since it is larger than the sum of its proper divisors (94547966).

100255090 is a wasteful number, since it uses less digits than its factorization.

100255090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 100255090 is about 10012.7463764943. The cubic root of 100255090 is about 464.5532225430.

The spelling of 100255090 in words is "one hundred million, two hundred fifty-five thousand, ninety".