153345664 has 16 divisors (see below), whose sum is σ = 305493570. Its totient is φ = 76672768.

The previous prime is 153345653. The next prime is 153345667. The reversal of 153345664 is 466543351.

It can be written as a sum of positive squares in only one way, i.e., 84787264 + 68558400 = 9208^2 + 8280^2 .

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

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (153345667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598879 + ... + 599134.

Almost surely, 2^153345664 is an apocalyptic number.

It is an amenable number.

153345664 is a deficient number, since it is larger than the sum of its proper divisors (152147906).

153345664 is an equidigital number, since it uses as much as digits as its factorization.

153345664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198027 (or 1198015 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 153345664 is about 12383.2816329114. The cubic root of 153345664 is about 535.2506049270.

The spelling of 153345664 in words is "one hundred fifty-three million, three hundred forty-five thousand, six hundred sixty-four".