149656992 has 48 divisors (see below), whose sum is σ = 393869952. Its totient is φ = 49756160.

The previous prime is 149656979. The next prime is 149657003. The reversal of 149656992 is 299656941.

It is a tau number, because it is divible by the number of its divisors (48).

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, 39568 + ... + 43184.

It is an arithmetic number, because the mean of its divisors is an integer number (8205624).

Almost surely, 2^149656992 is an apocalyptic number.

149656992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149656992 is an abundant number, since it is smaller than the sum of its proper divisors (244212960).

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

149656992 is a wasteful number, since it uses less digits than its factorization.

149656992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4053 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 149656992 is about 12233.4374564143. The cubic root of 149656992 is about 530.9239750571.

Subtracting from 149656992 its sum of digits (51), we obtain a palindrome (149656941).

The spelling of 149656992 in words is "one hundred forty-nine million, six hundred fifty-six thousand, nine hundred ninety-two".