45465550253 has 2 divisors, whose sum is σ = 45465550254. Its totient is φ = 45465550252.

The previous prime is 45465550223. The next prime is 45465550271. The reversal of 45465550253 is 35205556454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22930136329 + 22535413924 = 151427^2 + 150118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45465550253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45465550213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22732775126 + 22732775127.

It is an arithmetic number, because the mean of its divisors is an integer number (22732775127).

Almost surely, 2^45465550253 is an apocalyptic number.

It is an amenable number.

45465550253 is a deficient number, since it is larger than the sum of its proper divisors (1).

45465550253 is an equidigital number, since it uses as much as digits as its factorization.

45465550253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 45465550253 in words is "forty-five billion, four hundred sixty-five million, five hundred fifty thousand, two hundred fifty-three".