64545465 has 16 divisors (see below), whose sum is σ = 104277888. Its totient is φ = 34089216.

The previous prime is 64545443. The next prime is 64545473. The reversal of 64545465 is 56454546.

It is not a de Polignac number, because 64545465 - 2⁵ = 64545433 is a prime.

It is a super-2 number, since 2×64545465² = 8332234104132450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19344 + ... + 22433.

It is an arithmetic number, because the mean of its divisors is an integer number (6517368).

Almost surely, 2^64545465 is an apocalyptic number.

It is an amenable number.

64545465 is a deficient number, since it is larger than the sum of its proper divisors (39732423).

64545465 is a wasteful number, since it uses less digits than its factorization.

64545465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41888.

The product of its digits is 288000, while the sum is 39.

The square root of 64545465 is about 8034.0192307462. The cubic root of 64545465 is about 401.1331721872.

The spelling of 64545465 in words is "sixty-four million, five hundred forty-five thousand, four hundred sixty-five".