149868992 has 56 divisors (see below), whose sum is σ = 366040416. Its totient is φ = 59286528.

The previous prime is 149868967. The next prime is 149869019. The reversal of 149868992 is 299868941.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 7043 + ... + 18690.

It is an arithmetic number, because the mean of its divisors is an integer number (6536436).

Almost surely, 2^149868992 is an apocalyptic number.

It is an amenable number.

149868992 is an abundant number, since it is smaller than the sum of its proper divisors (216171424).

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

149868992 is a wasteful number, since it uses less digits than its factorization.

149868992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25765 (or 25755 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 149868992 is about 12242.0991664012. The cubic root of 149868992 is about 531.1745542318.

The spelling of 149868992 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, nine hundred ninety-two".