45001147 has 2 divisors, whose sum is σ = 45001148. Its totient is φ = 45001146.

The previous prime is 45001123. The next prime is 45001157. The reversal of 45001147 is 74110054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45001147 is a prime.

It is not a weakly prime, because it can be changed into another prime (45001157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500573 + 22500574.

It is an arithmetic number, because the mean of its divisors is an integer number (22500574).

Almost surely, 2^45001147 is an apocalyptic number.

45001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

45001147 is an equidigital number, since it uses as much as digits as its factorization.

45001147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 45001147 is about 6708.2894242869. The cubic root of 45001147 is about 355.6923524653.

The spelling of 45001147 in words is "forty-five million, one thousand, one hundred forty-seven".