45631143 has 12 divisors (see below), whose sum is σ = 66350128. Its totient is φ = 30218400.

The previous prime is 45631129. The next prime is 45631151. The reversal of 45631143 is 34113654.

45631143 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 45631143 - 2⁸ = 45630887 is a prime.

It is a super-2 number, since 2×45631143² = 4164402422972898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45631193) 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, 15430 + ... + 18147.

Almost surely, 2^45631143 is an apocalyptic number.

45631143 is a deficient number, since it is larger than the sum of its proper divisors (20718985).

45631143 is a wasteful number, since it uses less digits than its factorization.

45631143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33734 (or 33731 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 45631143 is about 6755.0827530090. The cubic root of 45631143 is about 357.3445112535.

Adding to 45631143 its reverse (34113654), we get a palindrome (79744797).

The spelling of 45631143 in words is "forty-five million, six hundred thirty-one thousand, one hundred forty-three".