64245464 has 8 divisors (see below), whose sum is σ = 120460260. Its totient is φ = 32122728.

The previous prime is 64245457. The next prime is 64245481. The reversal of 64245464 is 46454246.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015334 + ... + 4015349.

Almost surely, 2^64245464 is an apocalyptic number.

It is an amenable number.

64245464 is a deficient number, since it is larger than the sum of its proper divisors (56214796).

64245464 is a wasteful number, since it uses less digits than its factorization.

64245464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030689 (or 8030685 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 64245464 is about 8015.3268180405. The cubic root of 64245464 is about 400.5107309406.

The spelling of 64245464 in words is "sixty-four million, two hundred forty-five thousand, four hundred sixty-four".