45670445 has 4 divisors (see below), whose sum is σ = 54804540. Its totient is φ = 36536352.

The previous prime is 45670441. The next prime is 45670459. The reversal of 45670445 is 54407654.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35081929 + 10588516 = 5923^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 45670445 - 2² = 45670441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45670441) 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, 4567040 + ... + 4567049.

It is an arithmetic number, because the mean of its divisors is an integer number (13701135).

Almost surely, 2^45670445 is an apocalyptic number.

It is an amenable number.

45670445 is a deficient number, since it is larger than the sum of its proper divisors (9134095).

45670445 is an equidigital number, since it uses as much as digits as its factorization.

45670445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134094.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 45670445 is about 6757.9911956143. The cubic root of 45670445 is about 357.4470751523.

The spelling of 45670445 in words is "forty-five million, six hundred seventy thousand, four hundred forty-five".