155024164 has 6 divisors (see below), whose sum is σ = 271292294. Its totient is φ = 77512080.

The previous prime is 155024161. The next prime is 155024179. The reversal of 155024164 is 461420551.

It can be written as a sum of positive squares in only one way, i.e., 154008100 + 1016064 = 12410^2 + 1008^2 .

It is not an unprimeable number, because it can be changed into a prime (155024161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19378017 + ... + 19378024.

Almost surely, 2^155024164 is an apocalyptic number.

It is an amenable number.

155024164 is a deficient number, since it is larger than the sum of its proper divisors (116268130).

155024164 is a wasteful number, since it uses less digits than its factorization.

155024164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38756045 (or 38756043 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 155024164 is about 12450.8700097624. The cubic root of 155024164 is about 537.1964483247.

The spelling of 155024164 in words is "one hundred fifty-five million, twenty-four thousand, one hundred sixty-four".