149919020 has 24 divisors (see below), whose sum is σ = 317238768. Its totient is φ = 59508800.

The previous prime is 149919019. The next prime is 149919041. The reversal of 149919020 is 20919941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25991 + ... + 31230.

It is an arithmetic number, because the mean of its divisors is an integer number (13218282).

Almost surely, 2^149919020 is an apocalyptic number.

149919020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149919020 is an abundant number, since it is smaller than the sum of its proper divisors (167319748).

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

149919020 is a wasteful number, since it uses less digits than its factorization.

149919020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57361 (or 57359 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 149919020 is about 12244.1422729402. The cubic root of 149919020 is about 531.2336517230.

The spelling of 149919020 in words is "one hundred forty-nine million, nine hundred nineteen thousand, twenty".