45664671 has 16 divisors (see below), whose sum is σ = 65942240. Its totient is φ = 27941760.

The previous prime is 45664631. The next prime is 45664673. The reversal of 45664671 is 17646654.

It is not a de Polignac number, because 45664671 - 2¹⁵ = 45631903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45664673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3825 + ... + 10293.

It is an arithmetic number, because the mean of its divisors is an integer number (4121390).

Almost surely, 2^45664671 is an apocalyptic number.

45664671 is a deficient number, since it is larger than the sum of its proper divisors (20277569).

45664671 is a wasteful number, since it uses less digits than its factorization.

45664671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666.

The product of its digits is 120960, while the sum is 39.

The square root of 45664671 is about 6757.5639841588. The cubic root of 45664671 is about 357.4320108045.

The spelling of 45664671 in words is "forty-five million, six hundred sixty-four thousand, six hundred seventy-one".