149453900 has 18 divisors (see below), whose sum is σ = 324315180. Its totient is φ = 59781520.

The previous prime is 149453893. The next prime is 149453921. The reversal of 149453900 is 9354941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 747170 + ... + 747369.

It is an arithmetic number, because the mean of its divisors is an integer number (18017510).

Almost surely, 2^149453900 is an apocalyptic number.

149453900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149453900 is an abundant number, since it is smaller than the sum of its proper divisors (174861280).

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

149453900 is a wasteful number, since it uses less digits than its factorization.

149453900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494553 (or 1494546 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 149453900 is about 12225.1339460965. The cubic root of 149453900 is about 530.6837029019.

The spelling of 149453900 in words is "one hundred forty-nine million, four hundred fifty-three thousand, nine hundred".