45648199 has 2 divisors, whose sum is σ = 45648200. Its totient is φ = 45648198.

The previous prime is 45648193. The next prime is 45648209. The reversal of 45648199 is 99184654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45648199 - 2¹⁵ = 45615431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45648193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22824099 + 22824100.

It is an arithmetic number, because the mean of its divisors is an integer number (22824100).

Almost surely, 2^45648199 is an apocalyptic number.

45648199 is a deficient number, since it is larger than the sum of its proper divisors (1).

45648199 is an equidigital number, since it uses as much as digits as its factorization.

45648199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 45648199 is about 6756.3450918377. The cubic root of 45648199 is about 357.3890284287.

The spelling of 45648199 in words is "forty-five million, six hundred forty-eight thousand, one hundred ninety-nine".