154664064 has 48 divisors (see below), whose sum is σ = 445065270. Its totient is φ = 51554304.

The previous prime is 154664051. The next prime is 154664087. The reversal of 154664064 is 460466451.

154664064 is a `hidden beast` number, since 1 + 5 + 4 + 6 + 640 + 6 + 4 = 666.

154664064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153958464 + 705600 = 12408^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65977 + ... + 68280.

Almost surely, 2^154664064 is an apocalyptic number.

It is an amenable number.

154664064 is an abundant number, since it is smaller than the sum of its proper divisors (290401206).

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

154664064 is a wasteful number, since it uses less digits than its factorization.

154664064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134277 (or 134262 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 154664064 is about 12436.4007654948. The cubic root of 154664064 is about 536.7801811413.

The spelling of 154664064 in words is "one hundred fifty-four million, six hundred sixty-four thousand, sixty-four".