45842987 has 2 divisors, whose sum is σ = 45842988. Its totient is φ = 45842986.

The previous prime is 45842977. The next prime is 45843011. The reversal of 45842987 is 78924854.

It is a happy number.

45842987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45842987 - 2⁴ = 45842971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45842947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22921493 + 22921494.

It is an arithmetic number, because the mean of its divisors is an integer number (22921494).

Almost surely, 2^45842987 is an apocalyptic number.

45842987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45842987 is an equidigital number, since it uses as much as digits as its factorization.

45842987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 45842987 is about 6770.7449368589. The cubic root of 45842987 is about 357.8966520238.

The spelling of 45842987 in words is "forty-five million, eight hundred forty-two thousand, nine hundred eighty-seven".