45070663 has 4 divisors (see below), whose sum is σ = 49168008. Its totient is φ = 40973320.

The previous prime is 45070657. The next prime is 45070693. The reversal of 45070663 is 36607054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45070663 - 2²⁵ = 11516231 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45070693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048656 + ... + 2048677.

It is an arithmetic number, because the mean of its divisors is an integer number (12292002).

Almost surely, 2^45070663 is an apocalyptic number.

45070663 is the 3589-th centered heptagonal number.

45070663 is a deficient number, since it is larger than the sum of its proper divisors (4097345).

45070663 is a wasteful number, since it uses less digits than its factorization.

45070663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097344.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 45070663 is about 6713.4687755288. The cubic root of 45070663 is about 355.8754114172.

The spelling of 45070663 in words is "forty-five million, seventy thousand, six hundred sixty-three".