46185745 has 4 divisors (see below), whose sum is σ = 55422900. Its totient is φ = 36948592.

The previous prime is 46185743. The next prime is 46185767. The reversal of 46185745 is 54758164.

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 23030401 + 23155344 = 4799^2 + 4812^2 .

It is a cyclic number.

It is not a de Polignac number, because 46185745 - 2¹ = 46185743 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 46185698 and 46185707.

It is not an unprimeable number, because it can be changed into a prime (46185743) 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 3 ways as a sum of consecutive naturals, for example, 4618570 + ... + 4618579.

It is an arithmetic number, because the mean of its divisors is an integer number (13855725).

Almost surely, 2^46185745 is an apocalyptic number.

It is an amenable number.

46185745 is a deficient number, since it is larger than the sum of its proper divisors (9237155).

46185745 is an equidigital number, since it uses as much as digits as its factorization.

46185745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237154.

The product of its digits is 134400, while the sum is 40.

The square root of 46185745 is about 6796.0094908704. The cubic root of 46185745 is about 358.7864098825.

The spelling of 46185745 in words is "forty-six million, one hundred eighty-five thousand, seven hundred forty-five".