45274231 has 2 divisors, whose sum is σ = 45274232. Its totient is φ = 45274230.

The previous prime is 45274219. The next prime is 45274267. The reversal of 45274231 is 13247254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45274231 - 2⁹ = 45273719 is a prime.

It is a super-2 number, since 2×45274231² = 4099511985282722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45274231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45274331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22637115 + 22637116.

It is an arithmetic number, because the mean of its divisors is an integer number (22637116).

Almost surely, 2^45274231 is an apocalyptic number.

45274231 is a deficient number, since it is larger than the sum of its proper divisors (1).

45274231 is an equidigital number, since it uses as much as digits as its factorization.

45274231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 45274231 is about 6728.6128585318. The cubic root of 45274231 is about 356.4103939289.

The spelling of 45274231 in words is "forty-five million, two hundred seventy-four thousand, two hundred thirty-one".