45443271 has 4 divisors (see below), whose sum is σ = 60591032. Its totient is φ = 30295512.

The previous prime is 45443263. The next prime is 45443273. The reversal of 45443271 is 17234454.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45443271 - 2³ = 45443263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45443273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7573876 + ... + 7573881.

It is an arithmetic number, because the mean of its divisors is an integer number (15147758).

Almost surely, 2^45443271 is an apocalyptic number.

45443271 is a deficient number, since it is larger than the sum of its proper divisors (15147761).

45443271 is a wasteful number, since it uses less digits than its factorization.

45443271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147760.

The product of its digits is 13440, while the sum is 30.

The square root of 45443271 is about 6741.1624368502. The cubic root of 45443271 is about 356.8534184693.

The spelling of 45443271 in words is "forty-five million, four hundred forty-three thousand, two hundred seventy-one".