64153845 has 24 divisors (see below), whose sum is σ = 127086336. Its totient is φ = 29327328.

The previous prime is 64153841. The next prime is 64153847. The reversal of 64153845 is 54835146.

It is a happy number.

64153845 is a `hidden beast` number, since 641 + 5 + 3 + 8 + 4 + 5 = 666.

It is not a de Polignac number, because 64153845 - 2² = 64153841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64153841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101517 + ... + 102146.

It is an arithmetic number, because the mean of its divisors is an integer number (5295264).

Almost surely, 2^64153845 is an apocalyptic number.

It is an amenable number.

64153845 is a deficient number, since it is larger than the sum of its proper divisors (62932491).

64153845 is a wasteful number, since it uses less digits than its factorization.

64153845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203681 (or 203678 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 64153845 is about 8009.6095410451. The cubic root of 64153845 is about 400.3202539418.

The spelling of 64153845 in words is "sixty-four million, one hundred fifty-three thousand, eight hundred forty-five".