45516319 has 2 divisors, whose sum is σ = 45516320. Its totient is φ = 45516318.

The previous prime is 45516311. The next prime is 45516353. The reversal of 45516319 is 91361554.

It is an a-pointer prime, because the next prime (45516353) can be obtained adding 45516319 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45516319 - 2³ = 45516311 is a prime.

It is a super-2 number, since 2×45516319² = 4143470590619522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45516311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758159 + 22758160.

It is an arithmetic number, because the mean of its divisors is an integer number (22758160).

Almost surely, 2^45516319 is an apocalyptic number.

45516319 is a deficient number, since it is larger than the sum of its proper divisors (1).

45516319 is an equidigital number, since it uses as much as digits as its factorization.

45516319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 45516319 is about 6746.5783179327. The cubic root of 45516319 is about 357.0445246771.

The spelling of 45516319 in words is "forty-five million, five hundred sixteen thousand, three hundred nineteen".