45151147 has 2 divisors, whose sum is σ = 45151148. Its totient is φ = 45151146.

The previous prime is 45151123. The next prime is 45151151. The reversal of 45151147 is 74115154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45151147 is a prime.

It is not a weakly prime, because it can be changed into another prime (45151187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22575573 + 22575574.

It is an arithmetic number, because the mean of its divisors is an integer number (22575574).

Almost surely, 2^45151147 is an apocalyptic number.

45151147 is a deficient number, since it is larger than the sum of its proper divisors (1).

45151147 is an equidigital number, since it uses as much as digits as its factorization.

45151147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 45151147 is about 6719.4603205912. The cubic root of 45151147 is about 356.0871178243.

The spelling of 45151147 in words is "forty-five million, one hundred fifty-one thousand, one hundred forty-seven".