45252439 has 2 divisors, whose sum is σ = 45252440. Its totient is φ = 45252438.

The previous prime is 45252413. The next prime is 45252451. The reversal of 45252439 is 93425254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45252439 - 2¹¹ = 45250391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45252409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22626219 + 22626220.

It is an arithmetic number, because the mean of its divisors is an integer number (22626220).

Almost surely, 2^45252439 is an apocalyptic number.

45252439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45252439 is an equidigital number, since it uses as much as digits as its factorization.

45252439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 45252439 is about 6726.9933105363. The cubic root of 45252439 is about 356.3532006748.

The spelling of 45252439 in words is "forty-five million, two hundred fifty-two thousand, four hundred thirty-nine".