45143227 has 16 divisors (see below), whose sum is σ = 49688640. Its totient is φ = 40872832.

The previous prime is 45143209. The next prime is 45143237. The reversal of 45143227 is 72234154.

It is not a de Polignac number, because 45143227 - 2¹¹ = 45141179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45143195 and 45143204.

It is not an unprimeable number, because it can be changed into a prime (45143237) 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, 34713 + ... + 35989.

It is an arithmetic number, because the mean of its divisors is an integer number (3105540).

Almost surely, 2^45143227 is an apocalyptic number.

45143227 is a deficient number, since it is larger than the sum of its proper divisors (4545413).

45143227 is a wasteful number, since it uses less digits than its factorization.

45143227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 6720, while the sum is 28.

The square root of 45143227 is about 6718.8709617018. The cubic root of 45143227 is about 356.0662960949.

The spelling of 45143227 in words is "forty-five million, one hundred forty-three thousand, two hundred twenty-seven".