45445459 has 2 divisors, whose sum is σ = 45445460. Its totient is φ = 45445458.

The previous prime is 45445441. The next prime is 45445501. The reversal of 45445459 is 95454454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45445459 - 2⁷ = 45445331 is a prime.

It is not a weakly prime, because it can be changed into another prime (45445429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722729 + 22722730.

It is an arithmetic number, because the mean of its divisors is an integer number (22722730).

Almost surely, 2^45445459 is an apocalyptic number.

45445459 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445459 is an equidigital number, since it uses as much as digits as its factorization.

45445459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 40.

The square root of 45445459 is about 6741.3247214476. The cubic root of 45445459 is about 356.8591456300.

The spelling of 45445459 in words is "forty-five million, four hundred forty-five thousand, four hundred fifty-nine".