149723264 has 16 divisors (see below), whose sum is σ = 298277070. Its totient is φ = 74861568.

The previous prime is 149723243. The next prime is 149723269. The reversal of 149723264 is 462327941.

It can be written as a sum of positive squares in only one way, i.e., 122766400 + 26956864 = 11080^2 + 5192^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149723269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584729 + ... + 584984.

Almost surely, 2^149723264 is an apocalyptic number.

It is an amenable number.

149723264 is a deficient number, since it is larger than the sum of its proper divisors (148553806).

149723264 is an equidigital number, since it uses as much as digits as its factorization.

149723264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169727 (or 1169715 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 149723264 is about 12236.1457984122. The cubic root of 149723264 is about 531.0023324636.

The spelling of 149723264 in words is "one hundred forty-nine million, seven hundred twenty-three thousand, two hundred sixty-four".