45115451 has 2 divisors, whose sum is σ = 45115452. Its totient is φ = 45115450.

The previous prime is 45115429. The next prime is 45115463. The reversal of 45115451 is 15451154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45115451 - 2¹⁰ = 45114427 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45115451.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22557725 + 22557726.

It is an arithmetic number, because the mean of its divisors is an integer number (22557726).

Almost surely, 2^45115451 is an apocalyptic number.

45115451 is a deficient number, since it is larger than the sum of its proper divisors (1).

45115451 is an equidigital number, since it uses as much as digits as its factorization.

45115451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 26.

The square root of 45115451 is about 6716.8036297036. The cubic root of 45115451 is about 355.9932535649.

The spelling of 45115451 in words is "forty-five million, one hundred fifteen thousand, four hundred fifty-one".