45116551 has 2 divisors, whose sum is σ = 45116552. Its totient is φ = 45116550.

The previous prime is 45116537. The next prime is 45116557. The reversal of 45116551 is 15561154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45116551 - 2⁹ = 45116039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45116557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22558275 + 22558276.

It is an arithmetic number, because the mean of its divisors is an integer number (22558276).

Almost surely, 2^45116551 is an apocalyptic number.

45116551 is a deficient number, since it is larger than the sum of its proper divisors (1).

45116551 is an equidigital number, since it uses as much as digits as its factorization.

45116551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 28.

The square root of 45116551 is about 6716.8855133909. The cubic root of 45116551 is about 355.9961468042.

The spelling of 45116551 in words is "forty-five million, one hundred sixteen thousand, five hundred fifty-one".