45449899 has 12 divisors (see below), whose sum is σ = 50465520. Its totient is φ = 40898000.

The previous prime is 45449849. The next prime is 45449903. The reversal of 45449899 is 99894454.

45449899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45449899 - 2²⁵ = 11895467 is a prime.

It is a super-2 number, since 2×45449899² = 4131386638220402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45449849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10362 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (4205460).

Almost surely, 2^45449899 is an apocalyptic number.

45449899 is a deficient number, since it is larger than the sum of its proper divisors (5015621).

45449899 is a wasteful number, since it uses less digits than its factorization.

45449899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842 (or 3831 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 45449899 is about 6741.6540255341. The cubic root of 45449899 is about 356.8707669085.

It can be divided in two parts, 45 and 449899, that added together give a palindrome (449944).

The spelling of 45449899 in words is "forty-five million, four hundred forty-nine thousand, eight hundred ninety-nine".