45815847 has 16 divisors (see below), whose sum is σ = 76161792. Its totient is φ = 23800320.

The previous prime is 45815843. The next prime is 45815857. The reversal of 45815847 is 74851854.

45815847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45815847 - 2² = 45815843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45815799 and 45815808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45815843) 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 in 15 ways as a sum of consecutive naturals, for example, 98938 + ... + 99399.

It is an arithmetic number, because the mean of its divisors is an integer number (4760112).

Almost surely, 2^45815847 is an apocalyptic number.

45815847 is a deficient number, since it is larger than the sum of its proper divisors (30345945).

45815847 is a wasteful number, since it uses less digits than its factorization.

45815847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198358.

The product of its digits is 179200, while the sum is 42.

The square root of 45815847 is about 6768.7404293561. The cubic root of 45815847 is about 357.8260106656.

The spelling of 45815847 in words is "forty-five million, eight hundred fifteen thousand, eight hundred forty-seven".