149054920 has 64 divisors (see below), whose sum is σ = 384353280. Its totient is φ = 50962176.

The previous prime is 149054879. The next prime is 149054989. The reversal of 149054920 is 29450941.

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, 169522 + ... + 170398.

It is an arithmetic number, because the mean of its divisors is an integer number (6005520).

Almost surely, 2^149054920 is an apocalyptic number.

149054920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149054920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192176640).

149054920 is an abundant number, since it is smaller than the sum of its proper divisors (235298360).

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

149054920 is a wasteful number, since it uses less digits than its factorization.

149054920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 149054920 is about 12208.8050193293. The cubic root of 149054920 is about 530.2110468385.

The spelling of 149054920 in words is "one hundred forty-nine million, fifty-four thousand, nine hundred twenty".