149438892 has 12 divisors (see below), whose sum is σ = 348690776. Its totient is φ = 49812960.

The previous prime is 149438873. The next prime is 149438911. The reversal of 149438892 is 298834941.

It is an interprime number because it is at equal distance from previous prime (149438873) and next prime (149438911).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6226609 + ... + 6226632.

Almost surely, 2^149438892 is an apocalyptic number.

149438892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149438892 is an abundant number, since it is smaller than the sum of its proper divisors (199251884).

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

149438892 is a wasteful number, since it uses less digits than its factorization.

149438892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12453248 (or 12453246 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 149438892 is about 12224.5201132805. The cubic root of 149438892 is about 530.6659387449.

The spelling of 149438892 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, eight hundred ninety-two".