45208847 has 4 divisors (see below), whose sum is σ = 47588280. Its totient is φ = 42829416.

The previous prime is 45208837. The next prime is 45208861. The reversal of 45208847 is 74880254.

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 45208847 - 2⁸ = 45208591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45208847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45208817) 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, 1189688 + ... + 1189725.

It is an arithmetic number, because the mean of its divisors is an integer number (11897070).

Almost surely, 2^45208847 is an apocalyptic number.

45208847 is a deficient number, since it is larger than the sum of its proper divisors (2379433).

45208847 is a wasteful number, since it uses less digits than its factorization.

45208847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379432.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 45208847 is about 6723.7524493396. The cubic root of 45208847 is about 356.2387380455.

The spelling of 45208847 in words is "forty-five million, two hundred eight thousand, eight hundred forty-seven".