45044413 has 8 divisors (see below), whose sum is σ = 46302840. Its totient is φ = 43802880.

The previous prime is 45044411. The next prime is 45044443. The reversal of 45044413 is 31444054.

It can be written as a sum of positive squares in 4 ways, for example, as 3286969 + 41757444 = 1813^2 + 6462^2 .

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

It is not a de Polignac number, because 45044413 - 2¹ = 45044411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044411) 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, 1281 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (5787855).

Almost surely, 2^45044413 is an apocalyptic number.

It is an amenable number.

45044413 is a deficient number, since it is larger than the sum of its proper divisors (1258427).

45044413 is an equidigital number, since it uses as much as digits as its factorization.

45044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 45044413 is about 6711.5134656797. The cubic root of 45044413 is about 355.8063084936.

Adding to 45044413 its reverse (31444054), we get a palindrome (76488467).

The spelling of 45044413 in words is "forty-five million, forty-four thousand, four hundred thirteen".