45044213 has 2 divisors, whose sum is σ = 45044214. Its totient is φ = 45044212.

The previous prime is 45044191. The next prime is 45044239. The reversal of 45044213 is 31244054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24186724 + 20857489 = 4918^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 45044213 - 2¹⁰ = 45043189 is a prime.

It is a super-2 number, since 2×45044213² = 4057962249578738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45044513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522106 + 22522107.

It is an arithmetic number, because the mean of its divisors is an integer number (22522107).

Almost surely, 2^45044213 is an apocalyptic number.

It is an amenable number.

45044213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45044213 is an equidigital number, since it uses as much as digits as its factorization.

45044213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45044213 is about 6711.4985658942. The cubic root of 45044213 is about 355.8057818921.

Adding to 45044213 its reverse (31244054), we get a palindrome (76288267).

The spelling of 45044213 in words is "forty-five million, forty-four thousand, two hundred thirteen".