45143499 has 8 divisors (see below), whose sum is σ = 60365200. Its totient is φ = 30008736.

The previous prime is 45143491. The next prime is 45143531. The reversal of 45143499 is 99434154.

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

It is not a de Polignac number, because 45143499 - 2³ = 45143491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45143491) 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, 20512 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (7545650).

Almost surely, 2^45143499 is an apocalyptic number.

45143499 is a deficient number, since it is larger than the sum of its proper divisors (15221701).

45143499 is a wasteful number, since it uses less digits than its factorization.

45143499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43469.

The product of its digits is 77760, while the sum is 39.

The square root of 45143499 is about 6718.8912031674. The cubic root of 45143499 is about 356.0670112250.

The spelling of 45143499 in words is "forty-five million, one hundred forty-three thousand, four hundred ninety-nine".