155042464 has 12 divisors (see below), whose sum is σ = 305239914. Its totient is φ = 77521216.

The previous prime is 155042429. The next prime is 155042467. The reversal of 155042464 is 464240551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79352464 + 75690000 = 8908^2 + 8700^2 .

It is not an unprimeable number, because it can be changed into a prime (155042467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2422507 + ... + 2422570.

Almost surely, 2^155042464 is an apocalyptic number.

It is an amenable number.

155042464 is a deficient number, since it is larger than the sum of its proper divisors (150197450).

155042464 is an equidigital number, since it uses as much as digits as its factorization.

155042464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845087 (or 4845079 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 155042464 is about 12451.6048764808. The cubic root of 155042464 is about 537.2175854772.

The spelling of 155042464 in words is "one hundred fifty-five million, forty-two thousand, four hundred sixty-four".