45149489 has 16 divisors (see below), whose sum is σ = 56799360. Its totient is φ = 34863360.

The previous prime is 45149479. The next prime is 45149513. The reversal of 45149489 is 98494154.

45149489 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 45149489 - 2⁸ = 45149233 is a prime.

It is a super-2 number, since 2×45149489² = 4076952713922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45149479) 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 15 ways as a sum of consecutive naturals, for example, 6107 + ... + 11295.

It is an arithmetic number, because the mean of its divisors is an integer number (3549960).

Almost surely, 2^45149489 is an apocalyptic number.

It is an amenable number.

45149489 is a deficient number, since it is larger than the sum of its proper divisors (11649871).

45149489 is a wasteful number, since it uses less digits than its factorization.

45149489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320.

The product of its digits is 207360, while the sum is 44.

The square root of 45149489 is about 6719.3369464554. The cubic root of 45149489 is about 356.0827591335.

The spelling of 45149489 in words is "forty-five million, one hundred forty-nine thousand, four hundred eighty-nine".