149731248 has 60 divisors (see below), whose sum is σ = 408282648. Its totient is φ = 47278080.

The previous prime is 149731213. The next prime is 149731277. The reversal of 149731248 is 842137941.

149731248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13008 + ... + 21648.

Almost surely, 2^149731248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149731248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204141324).

149731248 is an abundant number, since it is smaller than the sum of its proper divisors (258551400).

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

149731248 is a wasteful number, since it uses less digits than its factorization.

149731248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8690 (or 8665 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 149731248 is about 12236.4720405842. The cubic root of 149731248 is about 531.0117708705.

The spelling of 149731248 in words is "one hundred forty-nine million, seven hundred thirty-one thousand, two hundred forty-eight".