45144007 has 2 divisors, whose sum is σ = 45144008. Its totient is φ = 45144006.

The previous prime is 45143971. The next prime is 45144059. The reversal of 45144007 is 70044154.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45144007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45142007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572003 + 22572004.

It is an arithmetic number, because the mean of its divisors is an integer number (22572004).

Almost surely, 2^45144007 is an apocalyptic number.

45144007 is a deficient number, since it is larger than the sum of its proper divisors (1).

45144007 is an equidigital number, since it uses as much as digits as its factorization.

45144007 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 45144007 is about 6718.9290069177. The cubic root of 45144007 is about 356.0683468279.

The spelling of 45144007 in words is "forty-five million, one hundred forty-four thousand, seven".