45223571 has 2 divisors, whose sum is σ = 45223572. Its totient is φ = 45223570.

The previous prime is 45223561. The next prime is 45223597. The reversal of 45223571 is 17532254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45223571 is a prime.

It is not a weakly prime, because it can be changed into another prime (45223561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22611785 + 22611786.

It is an arithmetic number, because the mean of its divisors is an integer number (22611786).

Almost surely, 2^45223571 is an apocalyptic number.

45223571 is a deficient number, since it is larger than the sum of its proper divisors (1).

45223571 is an equidigital number, since it uses as much as digits as its factorization.

45223571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 45223571 is about 6724.8472845114. The cubic root of 45223571 is about 356.2774081303.

The spelling of 45223571 in words is "forty-five million, two hundred twenty-three thousand, five hundred seventy-one".