149344992 has 48 divisors (see below), whose sum is σ = 435592080. Its totient is φ = 49781376.

The previous prime is 149344973. The next prime is 149345023. The reversal of 149344992 is 299443941.

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

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

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, 85563 + ... + 87290.

It is an arithmetic number, because the mean of its divisors is an integer number (9074835).

Almost surely, 2^149344992 is an apocalyptic number.

149344992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149344992 is an abundant number, since it is smaller than the sum of its proper divisors (286247088).

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

149344992 is a wasteful number, since it uses less digits than its factorization.

149344992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172872 (or 172858 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 149344992 is about 12220.6788682135. The cubic root of 149344992 is about 530.5547673905.

The spelling of 149344992 in words is "one hundred forty-nine million, three hundred forty-four thousand, nine hundred ninety-two".