45240849937 has 2 divisors, whose sum is σ = 45240849938. Its totient is φ = 45240849936.

The previous prime is 45240849893. The next prime is 45240849949. The reversal of 45240849937 is 73994804254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42597244881 + 2643605056 = 206391^2 + 51416^2 .

It is a cyclic number.

It is not a de Polignac number, because 45240849937 - 2¹¹ = 45240847889 is a prime.

It is not a weakly prime, because it can be changed into another prime (45240849337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620424968 + 22620424969.

It is an arithmetic number, because the mean of its divisors is an integer number (22620424969).

Almost surely, 2^45240849937 is an apocalyptic number.

It is an amenable number.

45240849937 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240849937 is an equidigital number, since it uses as much as digits as its factorization.

45240849937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 45240849937 in words is "forty-five billion, two hundred forty million, eight hundred forty-nine thousand, nine hundred thirty-seven".