45022973 has 2 divisors, whose sum is σ = 45022974. Its totient is φ = 45022972.

The previous prime is 45022963. The next prime is 45022979. The reversal of 45022973 is 37922054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37613689 + 7409284 = 6133^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 45022973 - 2⁶ = 45022909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45022979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22511486 + 22511487.

It is an arithmetic number, because the mean of its divisors is an integer number (22511487).

Almost surely, 2^45022973 is an apocalyptic number.

It is an amenable number.

45022973 is a deficient number, since it is larger than the sum of its proper divisors (1).

45022973 is an equidigital number, since it uses as much as digits as its factorization.

45022973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 45022973 is about 6709.9160203389. The cubic root of 45022973 is about 355.7498479370.

The spelling of 45022973 in words is "forty-five million, twenty-two thousand, nine hundred seventy-three".