149719392 has 72 divisors (see below), whose sum is σ = 448189560. Its totient is φ = 47278080.

The previous prime is 149719379. The next prime is 149719447. The reversal of 149719392 is 293917941.

It is a tau number, because it is divible by the number of its divisors (72).

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 congruent number.

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 11 ways as a sum of consecutive naturals, for example, 8209 + ... + 19152.

It is an arithmetic number, because the mean of its divisors is an integer number (6224855).

Almost surely, 2^149719392 is an apocalyptic number.

149719392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149719392 is an abundant number, since it is smaller than the sum of its proper divisors (298470168).

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

149719392 is a wasteful number, since it uses less digits than its factorization.

149719392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27396 (or 27385 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 149719392 is about 12235.9875776334. The cubic root of 149719392 is about 530.9977549992.

The spelling of 149719392 in words is "one hundred forty-nine million, seven hundred nineteen thousand, three hundred ninety-two".