45453999 has 4 divisors (see below), whose sum is σ = 60605336. Its totient is φ = 30302664.

The previous prime is 45453983. The next prime is 45454001. The reversal of 45453999 is 99935454.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45453999 - 2⁴ = 45453983 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 (45453929) 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, 7575664 + ... + 7575669.

It is an arithmetic number, because the mean of its divisors is an integer number (15151334).

Almost surely, 2^45453999 is an apocalyptic number.

45453999 is a deficient number, since it is larger than the sum of its proper divisors (15151337).

45453999 is a wasteful number, since it uses less digits than its factorization.

45453999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151336.

The product of its digits is 874800, while the sum is 48.

The square root of 45453999 is about 6741.9580983569. The cubic root of 45453999 is about 356.8814975972.

The spelling of 45453999 in words is "forty-five million, four hundred fifty-three thousand, nine hundred ninety-nine".