155276964 has 36 divisors (see below), whose sum is σ = 398945820. Its totient is φ = 50909760.

The previous prime is 155276959. The next prime is 155276969. The reversal of 155276964 is 469672551.

155276964 is a `hidden beast` number, since 1 + 5 + 527 + 69 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (155276959) and next prime (155276969).

It can be written as a sum of positive squares in 2 ways, for example, as 78854400 + 76422564 = 8880^2 + 8742^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×155276964² = 48221871098114592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155276969) by changing a digit.

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, 33159 + ... + 37550.

Almost surely, 2^155276964 is an apocalyptic number.

It is an amenable number.

155276964 is an abundant number, since it is smaller than the sum of its proper divisors (243668856).

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

155276964 is a wasteful number, since it uses less digits than its factorization.

155276964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70780 (or 70775 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 155276964 is about 12461.0177754468. The cubic root of 155276964 is about 537.4882942466.

The spelling of 155276964 in words is "one hundred fifty-five million, two hundred seventy-six thousand, nine hundred sixty-four".