45315271 has 2 divisors, whose sum is σ = 45315272. Its totient is φ = 45315270.

The previous prime is 45315241. The next prime is 45315287. The reversal of 45315271 is 17251354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45315271 - 2⁷ = 45315143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45315241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22657635 + 22657636.

It is an arithmetic number, because the mean of its divisors is an integer number (22657636).

Almost surely, 2^45315271 is an apocalyptic number.

45315271 is a deficient number, since it is larger than the sum of its proper divisors (1).

45315271 is an equidigital number, since it uses as much as digits as its factorization.

45315271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 45315271 is about 6731.6618304844. The cubic root of 45315271 is about 356.5180538845.

The spelling of 45315271 in words is "forty-five million, three hundred fifteen thousand, two hundred seventy-one".