149323392 has 64 divisors (see below), whose sum is σ = 440721600. Its totient is φ = 49773312.

The previous prime is 149323381. The next prime is 149323397. The reversal of 149323392 is 293323941.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (149323397) by changing a digit.

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, 18148 + ... + 25059.

It is an arithmetic number, because the mean of its divisors is an integer number (6886275).

Almost surely, 2^149323392 is an apocalyptic number.

149323392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149323392 is an abundant number, since it is smaller than the sum of its proper divisors (291398208).

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

149323392 is an equidigital number, since it uses as much as digits as its factorization.

149323392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43230 (or 43212 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 149323392 is about 12219.7950882983. The cubic root of 149323392 is about 530.5291878350.

The spelling of 149323392 in words is "one hundred forty-nine million, three hundred twenty-three thousand, three hundred ninety-two".