45785161 has 8 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 45006000.

The previous prime is 45785149. The next prime is 45785177. The reversal of 45785161 is 16158754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45785161 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 45785161.

It is not an unprimeable number, because it can be changed into a prime (45788161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18675 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^45785161 is an apocalyptic number.

It is an amenable number.

45785161 is a deficient number, since it is larger than the sum of its proper divisors (784439).

45785161 is a wasteful number, since it uses less digits than its factorization.

45785161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639.

The product of its digits is 33600, while the sum is 37.

The square root of 45785161 is about 6766.4733059401. The cubic root of 45785161 is about 357.7461059892.

The spelling of 45785161 in words is "forty-five million, seven hundred eighty-five thousand, one hundred sixty-one".