45845047 has 2 divisors, whose sum is σ = 45845048. Its totient is φ = 45845046.

The previous prime is 45845029. The next prime is 45845071. The reversal of 45845047 is 74054854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45845047 - 2⁷ = 45844919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45844997 and 45845015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45845087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22922523 + 22922524.

It is an arithmetic number, because the mean of its divisors is an integer number (22922524).

Almost surely, 2^45845047 is an apocalyptic number.

45845047 is a deficient number, since it is larger than the sum of its proper divisors (1).

45845047 is an equidigital number, since it uses as much as digits as its factorization.

45845047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 45845047 is about 6770.8970602129. The cubic root of 45845047 is about 357.9020127569.

The spelling of 45845047 in words is "forty-five million, eight hundred forty-five thousand, forty-seven".