45042202453 has 2 divisors, whose sum is σ = 45042202454. Its totient is φ = 45042202452.

The previous prime is 45042202417. The next prime is 45042202487. The reversal of 45042202453 is 35420224054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24304186404 + 20738016049 = 155898^2 + 144007^2 .

It is a cyclic number.

It is not a de Polignac number, because 45042202453 - 2¹³ = 45042194261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45042202753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521101226 + 22521101227.

It is an arithmetic number, because the mean of its divisors is an integer number (22521101227).

Almost surely, 2^45042202453 is an apocalyptic number.

It is an amenable number.

45042202453 is a deficient number, since it is larger than the sum of its proper divisors (1).

45042202453 is an equidigital number, since it uses as much as digits as its factorization.

45042202453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 45042202453 in words is "forty-five billion, forty-two million, two hundred two thousand, four hundred fifty-three".