45273271 has 4 divisors (see below), whose sum is σ = 45375912. Its totient is φ = 45170632.

The previous prime is 45273251. The next prime is 45273287. The reversal of 45273271 is 17237254.

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

It is a cyclic number.

It is not a de Polignac number, because 45273271 - 2¹³ = 45265079 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45273251) 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, 50656 + ... + 51541.

It is an arithmetic number, because the mean of its divisors is an integer number (11343978).

Almost surely, 2^45273271 is an apocalyptic number.

45273271 is a deficient number, since it is larger than the sum of its proper divisors (102641).

45273271 is a wasteful number, since it uses less digits than its factorization.

45273271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102640.

The product of its digits is 11760, while the sum is 31.

The square root of 45273271 is about 6728.5415210133. The cubic root of 45273271 is about 356.4078747888.

The spelling of 45273271 in words is "forty-five million, two hundred seventy-three thousand, two hundred seventy-one".