45297199 has 4 divisors (see below), whose sum is σ = 45339736. Its totient is φ = 45254664.

The previous prime is 45297151. The next prime is 45297221. The reversal of 45297199 is 99179254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99179254 = 2 ⋅49589627.

It is a cyclic number.

It is not a de Polignac number, because 45297199 - 2¹³ = 45289007 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 (45297149) 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, 19629 + ... + 21814.

It is an arithmetic number, because the mean of its divisors is an integer number (11334934).

Almost surely, 2^45297199 is an apocalyptic number.

45297199 is a deficient number, since it is larger than the sum of its proper divisors (42537).

45297199 is a wasteful number, since it uses less digits than its factorization.

45297199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42536.

The product of its digits is 204120, while the sum is 46.

The square root of 45297199 is about 6730.3193832091. The cubic root of 45297199 is about 356.4706537416.

The spelling of 45297199 in words is "forty-five million, two hundred ninety-seven thousand, one hundred ninety-nine".