64590545 has 16 divisors (see below), whose sum is σ = 79168320. Its totient is φ = 50574144.

The previous prime is 64590529. The next prime is 64590551. The reversal of 64590545 is 54509546.

It is a cyclic number.

It is not a de Polignac number, because 64590545 - 2⁴ = 64590529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64590499 and 64590508.

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, 109742 + ... + 110328.

It is an arithmetic number, because the mean of its divisors is an integer number (4948020).

Almost surely, 2^64590545 is an apocalyptic number.

It is an amenable number.

64590545 is a deficient number, since it is larger than the sum of its proper divisors (14577775).

64590545 is a wasteful number, since it uses less digits than its factorization.

64590545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 64590545 is about 8036.8243106341. The cubic root of 64590545 is about 401.2265372551.

The spelling of 64590545 in words is "sixty-four million, five hundred ninety thousand, five hundred forty-five".