45425147 has 2 divisors, whose sum is σ = 45425148. Its totient is φ = 45425146.

The previous prime is 45425123. The next prime is 45425189. The reversal of 45425147 is 74152454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45425147 - 2⁸ = 45424891 is a prime.

It is not a weakly prime, because it can be changed into another prime (45425117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22712573 + 22712574.

It is an arithmetic number, because the mean of its divisors is an integer number (22712574).

Almost surely, 2^45425147 is an apocalyptic number.

45425147 is a deficient number, since it is larger than the sum of its proper divisors (1).

45425147 is an equidigital number, since it uses as much as digits as its factorization.

45425147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 32.

The square root of 45425147 is about 6739.8180242496. The cubic root of 45425147 is about 356.8059712439.

The spelling of 45425147 in words is "forty-five million, four hundred twenty-five thousand, one hundred forty-seven".