45297223 has 2 divisors, whose sum is σ = 45297224. Its totient is φ = 45297222.

The previous prime is 45297221. The next prime is 45297227. The reversal of 45297223 is 32279254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45297223 - 2¹ = 45297221 is a prime.

Together with 45297221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45297221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22648611 + 22648612.

It is an arithmetic number, because the mean of its divisors is an integer number (22648612).

Almost surely, 2^45297223 is an apocalyptic number.

45297223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45297223 is an equidigital number, since it uses as much as digits as its factorization.

45297223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 45297223 is about 6730.3211661852. The cubic root of 45297223 is about 356.4707166983.

The spelling of 45297223 in words is "forty-five million, two hundred ninety-seven thousand, two hundred twenty-three".