45161143 has 2 divisors, whose sum is σ = 45161144. Its totient is φ = 45161142.

The previous prime is 45161113. The next prime is 45161147. The reversal of 45161143 is 34116154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45161143 - 2⁵ = 45161111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45161147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22580571 + 22580572.

It is an arithmetic number, because the mean of its divisors is an integer number (22580572).

Almost surely, 2^45161143 is an apocalyptic number.

45161143 is a deficient number, since it is larger than the sum of its proper divisors (1).

45161143 is an equidigital number, since it uses as much as digits as its factorization.

45161143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 45161143 is about 6720.2040891628. The cubic root of 45161143 is about 356.1133938949.

Adding to 45161143 its reverse (34116154), we get a palindrome (79277297).

The spelling of 45161143 in words is "forty-five million, one hundred sixty-one thousand, one hundred forty-three".