45048199 has 6 divisors (see below), whose sum is σ = 52403064. Its totient is φ = 38612700.

The previous prime is 45048197. The next prime is 45048209. The reversal of 45048199 is 99184054.

It is not a de Polignac number, because 45048199 - 2¹ = 45048197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45048197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459627 + ... + 459724.

It is an arithmetic number, because the mean of its divisors is an integer number (8733844).

Almost surely, 2^45048199 is an apocalyptic number.

45048199 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45048199 is a deficient number, since it is larger than the sum of its proper divisors (7354865).

45048199 is an equidigital number, since it uses as much as digits as its factorization.

45048199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919365 (or 919358 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 45048199 is about 6711.7955123797. The cubic root of 45048199 is about 355.8162767661.

The spelling of 45048199 in words is "forty-five million, forty-eight thousand, one hundred ninety-nine".