45744551 has 2 divisors, whose sum is σ = 45744552. Its totient is φ = 45744550.

The previous prime is 45744541. The next prime is 45744553. The reversal of 45744551 is 15544754.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45744551 is a prime.

Together with 45744553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45744553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22872275 + 22872276.

It is an arithmetic number, because the mean of its divisors is an integer number (22872276).

Almost surely, 2^45744551 is an apocalyptic number.

45744551 is a deficient number, since it is larger than the sum of its proper divisors (1).

45744551 is an equidigital number, since it uses as much as digits as its factorization.

45744551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 35.

The square root of 45744551 is about 6763.4718155693. The cubic root of 45744551 is about 357.6403048484.

The spelling of 45744551 in words is "forty-five million, seven hundred forty-four thousand, five hundred fifty-one".