45507161 has 8 divisors (see below), whose sum is σ = 52066560. Its totient is φ = 38962368.

The previous prime is 45507127. The next prime is 45507169. The reversal of 45507161 is 16170554.

45507161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45507161 - 2⁶ = 45507097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45507169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4145 + ... + 10401.

It is an arithmetic number, because the mean of its divisors is an integer number (6508320).

Almost surely, 2^45507161 is an apocalyptic number.

It is an amenable number.

45507161 is a deficient number, since it is larger than the sum of its proper divisors (6559399).

45507161 is a wasteful number, since it uses less digits than its factorization.

45507161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 45507161 is about 6745.8995693680. The cubic root of 45507161 is about 357.0205769799.

It can be divided in two parts, 4550 and 7161, that added together give a palindrome (11711).

The spelling of 45507161 in words is "forty-five million, five hundred seven thousand, one hundred sixty-one".