45664210 has 16 divisors (see below), whose sum is σ = 87030936. Its totient is φ = 17191168.

The previous prime is 45664189. The next prime is 45664211. The reversal of 45664210 is 1246654.

45664210 = T₅₅₁₆ + T₅₅₁₇ + T₅₅₁₈.

It can be written as a sum of positive squares in 4 ways, for example, as 45576001 + 88209 = 6751^2 + 297^2 .

It is not an unprimeable number, because it can be changed into a prime (45664211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134137 + ... + 134476.

Almost surely, 2^45664210 is an apocalyptic number.

45664210 is the 5518-th centered triangular number.

45664210 is a deficient number, since it is larger than the sum of its proper divisors (41366726).

45664210 is a wasteful number, since it uses less digits than its factorization.

45664210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268637.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45664210 is about 6757.5298741478. The cubic root of 45664210 is about 357.4308080022.

The spelling of 45664210 in words is "forty-five million, six hundred sixty-four thousand, two hundred ten".