45905299 has 4 divisors (see below), whose sum is σ = 50078520. Its totient is φ = 41732080.

The previous prime is 45905291. The next prime is 45905303. The reversal of 45905299 is 99250954.

It is a happy number.

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 45905299 - 2³ = 45905291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45905291) 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, 2086594 + ... + 2086615.

It is an arithmetic number, because the mean of its divisors is an integer number (12519630).

Almost surely, 2^45905299 is an apocalyptic number.

45905299 is a deficient number, since it is larger than the sum of its proper divisors (4173221).

45905299 is a wasteful number, since it uses less digits than its factorization.

45905299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173220.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 45905299 is about 6775.3449358686. The cubic root of 45905299 is about 358.0587354084.

It can be divided in two parts, 4590 and 5299, that added together give a palindrome (9889).

The spelling of 45905299 in words is "forty-five million, nine hundred five thousand, two hundred ninety-nine".