45441131 has 4 divisors (see below), whose sum is σ = 45512664. Its totient is φ = 45369600.

The previous prime is 45441107. The next prime is 45441163. The reversal of 45441131 is 13114454.

45441131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45441131 is a prime.

It is a super-2 number, since 2×45441131² = 4129792773118322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45441097 and 45441106.

It is not an unprimeable number, because it can be changed into a prime (45441101) 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 3 ways as a sum of consecutive naturals, for example, 34805 + ... + 36086.

It is an arithmetic number, because the mean of its divisors is an integer number (11378166).

Almost surely, 2^45441131 is an apocalyptic number.

45441131 is a deficient number, since it is larger than the sum of its proper divisors (71533).

45441131 is an equidigital number, since it uses as much as digits as its factorization.

45441131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71532.

The product of its digits is 960, while the sum is 23.

The square root of 45441131 is about 6741.0037086475. The cubic root of 45441131 is about 356.8478167723.

Adding to 45441131 its reverse (13114454), we get a palindrome (58555585).

The spelling of 45441131 in words is "forty-five million, four hundred forty-one thousand, one hundred thirty-one".