44515481 has 2 divisors, whose sum is σ = 44515482. Its totient is φ = 44515480.

The previous prime is 44515459. The next prime is 44515489. The reversal of 44515481 is 18451544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36192256 + 8323225 = 6016^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 44515481 - 2¹⁴ = 44499097 is a prime.

It is a super-2 number, since 2×44515481² = 3963256097322722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44515489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22257740 + 22257741.

It is an arithmetic number, because the mean of its divisors is an integer number (22257741).

Almost surely, 2^44515481 is an apocalyptic number.

It is an amenable number.

44515481 is a deficient number, since it is larger than the sum of its proper divisors (1).

44515481 is an equidigital number, since it uses as much as digits as its factorization.

44515481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 32.

The square root of 44515481 is about 6671.9922811706. The cubic root of 44515481 is about 354.4081416167.

The spelling of 44515481 in words is "forty-four million, five hundred fifteen thousand, four hundred eighty-one".