45143747 has 16 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 39758400.

The previous prime is 45143743. The next prime is 45143771. The reversal of 45143747 is 74734154.

45143747 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 45143747 - 2² = 45143743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45143741) 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, 89498 + ... + 90000.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^45143747 is an apocalyptic number.

45143747 is a deficient number, since it is larger than the sum of its proper divisors (5659453).

45143747 is a wasteful number, since it uses less digits than its factorization.

45143747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its digits is 47040, while the sum is 35.

The square root of 45143747 is about 6718.9096585681. The cubic root of 45143747 is about 356.0676632529.

The spelling of 45143747 in words is "forty-five million, one hundred forty-three thousand, seven hundred forty-seven".