155324864 has 14 divisors (see below), whose sum is σ = 308222904. Its totient is φ = 77662400.

The previous prime is 155324861. The next prime is 155324879. The reversal of 155324864 is 468423551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155324861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213412 + ... + 1213539.

Almost surely, 2^155324864 is an apocalyptic number.

It is an amenable number.

155324864 is a deficient number, since it is larger than the sum of its proper divisors (152898040).

155324864 is an equidigital number, since it uses as much as digits as its factorization.

155324864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426963 (or 2426953 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 155324864 is about 12462.9396211327. The cubic root of 155324864 is about 537.5435568813.

The spelling of 155324864 in words is "one hundred fifty-five million, three hundred twenty-four thousand, eight hundred sixty-four".