45042526481 has 2 divisors, whose sum is σ = 45042526482. Its totient is φ = 45042526480.

The previous prime is 45042526457. The next prime is 45042526489. The reversal of 45042526481 is 18462524054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26893048081 + 18149478400 = 163991^2 + 134720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45042526481 is a prime.

It is a super-2 number, since 2×45042526481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45042526489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521263240 + 22521263241.

It is an arithmetic number, because the mean of its divisors is an integer number (22521263241).

Almost surely, 2^45042526481 is an apocalyptic number.

It is an amenable number.

45042526481 is a deficient number, since it is larger than the sum of its proper divisors (1).

45042526481 is an equidigital number, since it uses as much as digits as its factorization.

45042526481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 45042526481 in words is "forty-five billion, forty-two million, five hundred twenty-six thousand, four hundred eighty-one".