45520444523 has 2 divisors, whose sum is σ = 45520444524. Its totient is φ = 45520444522.

The previous prime is 45520444481. The next prime is 45520444573. The reversal of 45520444523 is 32544402554.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45520444523 is a prime.

It is a super-2 number, since 2×45520444523² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45520444573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22760222261 + 22760222262.

It is an arithmetic number, because the mean of its divisors is an integer number (22760222262).

Almost surely, 2^45520444523 is an apocalyptic number.

45520444523 is a deficient number, since it is larger than the sum of its proper divisors (1).

45520444523 is an equidigital number, since it uses as much as digits as its factorization.

45520444523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 45520444523 in words is "forty-five billion, five hundred twenty million, four hundred forty-four thousand, five hundred twenty-three".