149720872 has 32 divisors (see below), whose sum is σ = 327384000. Its totient is φ = 64164912.

The previous prime is 149720863. The next prime is 149720911. The reversal of 149720872 is 278027941.

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, 24538 + ... + 30025.

It is an arithmetic number, because the mean of its divisors is an integer number (10230750).

Almost surely, 2^149720872 is an apocalyptic number.

It is an amenable number.

149720872 is an abundant number, since it is smaller than the sum of its proper divisors (177663128).

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

149720872 is an equidigital number, since it uses as much as digits as its factorization.

149720872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54590 (or 54572 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 149720872 is about 12236.0480548255. The cubic root of 149720872 is about 530.9995046592. Note that the first 3 decimals are identical.

The spelling of 149720872 in words is "one hundred forty-nine million, seven hundred twenty thousand, eight hundred seventy-two".