45813445 has 4 divisors (see below), whose sum is σ = 54976140. Its totient is φ = 36650752.

The previous prime is 45813431. The next prime is 45813457. The reversal of 45813445 is 54431854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54431854 = 2 ⋅27215927.

It can be written as a sum of positive squares in 2 ways, for example, as 8579041 + 37234404 = 2929^2 + 6102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45813445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45813445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4581340 + ... + 4581349.

It is an arithmetic number, because the mean of its divisors is an integer number (13744035).

Almost surely, 2^45813445 is an apocalyptic number.

It is an amenable number.

45813445 is a deficient number, since it is larger than the sum of its proper divisors (9162695).

45813445 is an equidigital number, since it uses as much as digits as its factorization.

45813445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162694.

The product of its digits is 38400, while the sum is 34.

The square root of 45813445 is about 6768.5629937233. The cubic root of 45813445 is about 357.8197572754.

The spelling of 45813445 in words is "forty-five million, eight hundred thirteen thousand, four hundred forty-five".