155264 has 16 divisors (see below), whose sum is σ = 309570. Its totient is φ = 77568.

The previous prime is 155251. The next prime is 155269. The reversal of 155264 is 462551.

It can be written as a sum of positive squares in only one way, i.e., 153664 + 1600 = 392^2 + 40^2 .

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

It is not an unprimeable number, because it can be changed into a prime (155269) by changing a digit.

155264 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479 + ... + 734.

2¹⁵⁵²⁶⁴ is an apocalyptic number.

It is an amenable number.

155264 is a deficient number, since it is larger than the sum of its proper divisors (154306).

155264 is an equidigital number, since it uses as much as digits as its factorization.

155264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1215 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 155264 is about 394.0355313928. The cubic root of 155264 is about 53.7473335616.

The spelling of 155264 in words is "one hundred fifty-five thousand, two hundred sixty-four".