149308920 has 96 divisors (see below), whose sum is σ = 503259120. Its totient is φ = 39813120.

The previous prime is 149308889. The next prime is 149308937. The reversal of 149308920 is 29803941.

149308920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2040 + ... + 17400.

Almost surely, 2^149308920 is an apocalyptic number.

149308920 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 149308920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251629560).

149308920 is an abundant number, since it is smaller than the sum of its proper divisors (353950200).

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

149308920 is a wasteful number, since it uses less digits than its factorization.

149308920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387 (or 15371 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 149308920 is about 12219.2029199944. The cubic root of 149308920 is about 530.5120481528.

The spelling of 149308920 in words is "one hundred forty-nine million, three hundred eight thousand, nine hundred twenty".