155403264 has 44 divisors (see below), whose sum is σ = 414214544. Its totient is φ = 51800064.

The previous prime is 155403263. The next prime is 155403271. The reversal of 155403264 is 462304551.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (155403263) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 22222 + ... + 28365.

Almost surely, 2^155403264 is an apocalyptic number.

It is an amenable number.

155403264 is an abundant number, since it is smaller than the sum of its proper divisors (258811280).

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

155403264 is an equidigital number, since it uses as much as digits as its factorization.

155403264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610 (or 50592 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 155403264 is about 12466.0845496892. The cubic root of 155403264 is about 537.6339831126.

The spelling of 155403264 in words is "one hundred fifty-five million, four hundred three thousand, two hundred sixty-four".