45847885 has 4 divisors (see below), whose sum is σ = 55017468. Its totient is φ = 36678304.

The previous prime is 45847883. The next prime is 45847891. The reversal of 45847885 is 58874854.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16752649 + 29095236 = 4093^2 + 5394^2 .

It is a cyclic number.

It is not a de Polignac number, because 45847885 - 2¹ = 45847883 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45847883) 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, 4584784 + ... + 4584793.

It is an arithmetic number, because the mean of its divisors is an integer number (13754367).

Almost surely, 2^45847885 is an apocalyptic number.

It is an amenable number.

45847885 is a deficient number, since it is larger than the sum of its proper divisors (9169583).

45847885 is an equidigital number, since it uses as much as digits as its factorization.

45847885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169582.

The product of its digits is 1433600, while the sum is 49.

The square root of 45847885 is about 6771.1066303818. The cubic root of 45847885 is about 357.9093978146.

The spelling of 45847885 in words is "forty-five million, eight hundred forty-seven thousand, eight hundred eighty-five".