149792520 has 32 divisors (see below), whose sum is σ = 449377920. Its totient is φ = 39944640.

The previous prime is 149792519. The next prime is 149792551. The reversal of 149792520 is 25297941.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 624016 + ... + 624255.

It is an arithmetic number, because the mean of its divisors is an integer number (14043060).

Almost surely, 2^149792520 is an apocalyptic number.

149792520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149792520 is an abundant number, since it is smaller than the sum of its proper divisors (299585400).

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

149792520 is a wasteful number, since it uses less digits than its factorization.

149792520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248285 (or 1248281 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 149792520 is about 12238.9754473158. The cubic root of 149792520 is about 531.0841933310.

The spelling of 149792520 in words is "one hundred forty-nine million, seven hundred ninety-two thousand, five hundred twenty".