149085900 has 72 divisors (see below), whose sum is σ = 479292240. Its totient is φ = 39755520.

The previous prime is 149085889. The next prime is 149085901. The reversal of 149085900 is 9580941.

149085900 is a `hidden beast` number, since 1 + 490 + 85 + 90 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (149085901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24909 + ... + 30308.

Almost surely, 2^149085900 is an apocalyptic number.

149085900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149085900 is an abundant number, since it is smaller than the sum of its proper divisors (330206340).

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

149085900 is a wasteful number, since it uses less digits than its factorization.

149085900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55240 (or 55227 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 149085900 is about 12210.0737098512. The cubic root of 149085900 is about 530.2477778196.

The spelling of 149085900 in words is "one hundred forty-nine million, eighty-five thousand, nine hundred".