45441013 has 2 divisors, whose sum is σ = 45441014. Its totient is φ = 45441012.

The previous prime is 45441007. The next prime is 45441043. The reversal of 45441013 is 31014454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31438449 + 14002564 = 5607^2 + 3742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45441013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45441043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22720506 + 22720507.

It is an arithmetic number, because the mean of its divisors is an integer number (22720507).

Almost surely, 2^45441013 is an apocalyptic number.

It is an amenable number.

45441013 is a deficient number, since it is larger than the sum of its proper divisors (1).

45441013 is an equidigital number, since it uses as much as digits as its factorization.

45441013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 45441013 is about 6740.9949562361. The cubic root of 45441013 is about 356.8475078886.

Adding to 45441013 its reverse (31014454), we get a palindrome (76455467).

The spelling of 45441013 in words is "forty-five million, four hundred forty-one thousand, thirteen".