45646847 has 4 divisors (see below), whose sum is σ = 45949296. Its totient is φ = 45344400.

The previous prime is 45646813. The next prime is 45646871. The reversal of 45646847 is 74864654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45646847 - 2⁸ = 45646591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45646798 and 45646807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45646807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150998 + ... + 151299.

It is an arithmetic number, because the mean of its divisors is an integer number (11487324).

Almost surely, 2^45646847 is an apocalyptic number.

45646847 is a deficient number, since it is larger than the sum of its proper divisors (302449).

45646847 is a wasteful number, since it uses less digits than its factorization.

45646847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302448.

The product of its digits is 645120, while the sum is 44.

The square root of 45646847 is about 6756.2450370010. The cubic root of 45646847 is about 357.3855000330.

It can be divided in two parts, 4564 and 6847, that added together give a palindrome (11411).

The spelling of 45646847 in words is "forty-five million, six hundred forty-six thousand, eight hundred forty-seven".