45457999 has 8 divisors (see below), whose sum is σ = 46103040. Its totient is φ = 44817696.

The previous prime is 45457991. The next prime is 45458003. The reversal of 45457999 is 99975454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45457999 - 2³ = 45457991 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 (45457991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20937 + ... + 23005.

It is an arithmetic number, because the mean of its divisors is an integer number (5762880).

Almost surely, 2^45457999 is an apocalyptic number.

45457999 is a deficient number, since it is larger than the sum of its proper divisors (645041).

45457999 is a wasteful number, since it uses less digits than its factorization.

45457999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its digits is 2041200, while the sum is 52.

The square root of 45457999 is about 6742.2547415535. The cubic root of 45457999 is about 356.8919659399.

It can be divided in two parts, 4545 and 7999, that added together give a square (12544 = 112²).

The spelling of 45457999 in words is "forty-five million, four hundred fifty-seven thousand, nine hundred ninety-nine".