64045534 has 16 divisors (see below), whose sum is σ = 110014848. Its totient is φ = 27392472.

The previous prime is 64045529. The next prime is 64045577. The reversal of 64045534 is 43554046.

It is a junction number, because it is equal to n+sod(n) for n = 64045496 and 64045505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (6875928).

Almost surely, 2^64045534 is an apocalyptic number.

64045534 is a deficient number, since it is larger than the sum of its proper divisors (45969314).

64045534 is a wasteful number, since it uses less digits than its factorization.

64045534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 64045534 is about 8002.8453689922. The cubic root of 64045534 is about 400.0948400117.

The spelling of 64045534 in words is "sixty-four million, forty-five thousand, five hundred thirty-four".