45143871 has 16 divisors (see below), whose sum is σ = 63244800. Its totient is φ = 28587680.

The previous prime is 45143837. The next prime is 45143873. The reversal of 45143871 is 17834154.

It is a cyclic number.

It is not a de Polignac number, because 45143871 - 2⁷ = 45143743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8086 + ... + 12476.

It is an arithmetic number, because the mean of its divisors is an integer number (3952800).

Almost surely, 2^45143871 is an apocalyptic number.

45143871 is a deficient number, since it is larger than the sum of its proper divisors (18100929).

45143871 is a wasteful number, since it uses less digits than its factorization.

45143871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566.

The product of its digits is 13440, while the sum is 33.

The square root of 45143871 is about 6718.9188862495. The cubic root of 45143871 is about 356.0679892659.

It can be divided in two parts, 4514 and 3871, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 45143871 in words is "forty-five million, one hundred forty-three thousand, eight hundred seventy-one".