45448199 has 4 divisors (see below), whose sum is σ = 45510936. Its totient is φ = 45385464.

The previous prime is 45448187. The next prime is 45448237. The reversal of 45448199 is 99184454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99184454 = 2 ⋅49592227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45448199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45448159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30269 + ... + 31734.

It is an arithmetic number, because the mean of its divisors is an integer number (11377734).

Almost surely, 2^45448199 is an apocalyptic number.

45448199 is a deficient number, since it is larger than the sum of its proper divisors (62737).

45448199 is an equidigital number, since it uses as much as digits as its factorization.

45448199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62736.

The product of its digits is 207360, while the sum is 44.

The square root of 45448199 is about 6741.5279425365. The cubic root of 45448199 is about 356.8663174093.

The spelling of 45448199 in words is "forty-five million, four hundred forty-eight thousand, one hundred ninety-nine".