45115951 has 2 divisors, whose sum is σ = 45115952. Its totient is φ = 45115950.

The previous prime is 45115933. The next prime is 45115963. The reversal of 45115951 is 15951154.

45115951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45115951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45115151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22557975 + 22557976.

It is an arithmetic number, because the mean of its divisors is an integer number (22557976).

Almost surely, 2^45115951 is an apocalyptic number.

45115951 is a deficient number, since it is larger than the sum of its proper divisors (1).

45115951 is an equidigital number, since it uses as much as digits as its factorization.

45115951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 31.

The square root of 45115951 is about 6716.8408496852. The cubic root of 45115951 is about 355.9945686795.

The spelling of 45115951 in words is "forty-five million, one hundred fifteen thousand, nine hundred fifty-one".