45432040237 has 2 divisors, whose sum is σ = 45432040238. Its totient is φ = 45432040236.

The previous prime is 45432040229. The next prime is 45432040301. The reversal of 45432040237 is 73204023454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42950904516 + 2481135721 = 207246^2 + 49811^2 .

It is a cyclic number.

It is not a de Polignac number, because 45432040237 - 2³ = 45432040229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45432040217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22716020118 + 22716020119.

It is an arithmetic number, because the mean of its divisors is an integer number (22716020119).

Almost surely, 2^45432040237 is an apocalyptic number.

It is an amenable number.

45432040237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45432040237 is an equidigital number, since it uses as much as digits as its factorization.

45432040237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 34.

The spelling of 45432040237 in words is "forty-five billion, four hundred thirty-two million, forty thousand, two hundred thirty-seven".