45045415997 has 2 divisors, whose sum is σ = 45045415998. Its totient is φ = 45045415996.

The previous prime is 45045415979. The next prime is 45045416071. The reversal of 45045415997 is 79951454054.

45045415997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (45045415979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30585112996 + 14460303001 = 174886^2 + 120251^2 .

It is a cyclic number.

It is not a de Polignac number, because 45045415997 - 2³² = 40750448701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45045415927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522707998 + 22522707999.

It is an arithmetic number, because the mean of its divisors is an integer number (22522707999).

Almost surely, 2^45045415997 is an apocalyptic number.

It is an amenable number.

45045415997 is a deficient number, since it is larger than the sum of its proper divisors (1).

45045415997 is an equidigital number, since it uses as much as digits as its factorization.

45045415997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 45045415997 in words is "forty-five billion, forty-five million, four hundred fifteen thousand, nine hundred ninety-seven".