45944947 has 2 divisors, whose sum is σ = 45944948. Its totient is φ = 45944946.

The previous prime is 45944939. The next prime is 45944953. The reversal of 45944947 is 74944954.

45944947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45944947 - 2³ = 45944939 is a prime.

It is a super-2 number, since 2×45944947² = 4221876309665618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45944897 and 45944906.

It is not a weakly prime, because it can be changed into another prime (45944347) 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, 22972473 + 22972474.

It is an arithmetic number, because the mean of its divisors is an integer number (22972474).

Almost surely, 2^45944947 is an apocalyptic number.

45944947 is a deficient number, since it is larger than the sum of its proper divisors (1).

45944947 is an equidigital number, since it uses as much as digits as its factorization.

45944947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 45944947 is about 6778.2702070661. The cubic root of 45944947 is about 358.1617897975.

The spelling of 45944947 in words is "forty-five million, nine hundred forty-four thousand, nine hundred forty-seven".