149154920 has 16 divisors (see below), whose sum is σ = 335598660. Its totient is φ = 59661952.

The previous prime is 149154911. The next prime is 149154937. The reversal of 149154920 is 29451941.

149154920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 147719716 + 1435204 = 12154^2 + 1198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864397 + ... + 1864476.

Almost surely, 2^149154920 is an apocalyptic number.

149154920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149154920 is an abundant number, since it is smaller than the sum of its proper divisors (186443740).

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

149154920 is a wasteful number, since it uses less digits than its factorization.

149154920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728884 (or 3728880 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 149154920 is about 12212.8997375726. The cubic root of 149154920 is about 530.3295920743.

The spelling of 149154920 in words is "one hundred forty-nine million, one hundred fifty-four thousand, nine hundred twenty".