45540499 has 4 divisors (see below), whose sum is σ = 46052280. Its totient is φ = 45028720.

The previous prime is 45540497. The next prime is 45540533. The reversal of 45540499 is 99404554.

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

It is a cyclic number.

It is not a de Polignac number, because 45540499 - 2¹ = 45540497 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45540491) 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, 255757 + ... + 255934.

It is an arithmetic number, because the mean of its divisors is an integer number (11513070).

Almost surely, 2^45540499 is an apocalyptic number.

45540499 is a deficient number, since it is larger than the sum of its proper divisors (511781).

45540499 is an equidigital number, since it uses as much as digits as its factorization.

45540499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511780.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 45540499 is about 6748.3700995129. The cubic root of 45540499 is about 357.1077386954.

The spelling of 45540499 in words is "forty-five million, five hundred forty thousand, four hundred ninety-nine".