45022147 has 2 divisors, whose sum is σ = 45022148. Its totient is φ = 45022146.

The previous prime is 45022111. The next prime is 45022151. The reversal of 45022147 is 74122054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45022147 - 2¹¹ = 45020099 is a prime.

It is not a weakly prime, because it can be changed into another prime (45022157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22511073 + 22511074.

It is an arithmetic number, because the mean of its divisors is an integer number (22511074).

Almost surely, 2^45022147 is an apocalyptic number.

45022147 is a deficient number, since it is larger than the sum of its proper divisors (1).

45022147 is an equidigital number, since it uses as much as digits as its factorization.

45022147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45022147 is about 6709.8544693607. The cubic root of 45022147 is about 355.7476723723.

The spelling of 45022147 in words is "forty-five million, twenty-two thousand, one hundred forty-seven".