64151456 has 36 divisors (see below), whose sum is σ = 128237382. Its totient is φ = 31589376.

The previous prime is 64151401. The next prime is 64151459. The reversal of 64151456 is 65415146.

It can be written as a sum of positive squares in 3 ways, for example, as 10627600 + 53523856 = 3260^2 + 7316^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (64151459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408530 + ... + 408686.

Almost surely, 2^64151456 is an apocalyptic number.

It is an amenable number.

64151456 is a deficient number, since it is larger than the sum of its proper divisors (64085926).

64151456 is a wasteful number, since it uses less digits than its factorization.

64151456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 272 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 64151456 is about 8009.4604062945. The cubic root of 64151456 is about 400.3152847568.

The spelling of 64151456 in words is "sixty-four million, one hundred fifty-one thousand, four hundred fifty-six".