45143163 has 40 divisors (see below), whose sum is σ = 74386928. Its totient is φ = 27107136.

The previous prime is 45143129. The next prime is 45143167. The reversal of 45143163 is 36134154.

It is not a de Polignac number, because 45143163 - 2⁸ = 45142907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143167) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44781 + ... + 45777.

Almost surely, 2^45143163 is an apocalyptic number.

45143163 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45143163 is a deficient number, since it is larger than the sum of its proper divisors (29243765).

45143163 is a wasteful number, since it uses less digits than its factorization.

45143163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1056 counting only the distinct ones).

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

The square root of 45143163 is about 6718.8661989952. The cubic root of 45143163 is about 356.0661278286.

Subtracting from 45143163 its reverse (36134154), we obtain a palindrome (9009009).

The spelling of 45143163 in words is "forty-five million, one hundred forty-three thousand, one hundred sixty-three".