45023665 has 8 divisors (see below), whose sum is σ = 54835200. Its totient is φ = 35481072.

The previous prime is 45023663. The next prime is 45023677. The reversal of 45023665 is 56632054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45023665 - 2¹ = 45023663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45023663) 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, 66865 + ... + 67534.

It is an arithmetic number, because the mean of its divisors is an integer number (6854400).

Almost surely, 2^45023665 is an apocalyptic number.

It is an amenable number.

45023665 is a deficient number, since it is larger than the sum of its proper divisors (9811535).

45023665 is a wasteful number, since it uses less digits than its factorization.

45023665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134471.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 45023665 is about 6709.9675856147. The cubic root of 45023665 is about 355.7516705446.

The spelling of 45023665 in words is "forty-five million, twenty-three thousand, six hundred sixty-five".