45161111 has 2 divisors, whose sum is σ = 45161112. Its totient is φ = 45161110.

The previous prime is 45161107. The next prime is 45161113. The reversal of 45161111 is 11116154.

It is a happy number.

45161111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45161111 - 2² = 45161107 is a prime.

It is a Sophie Germain prime.

Together with 45161113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45161113) 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 as a sum of consecutive naturals, namely, 22580555 + 22580556.

It is an arithmetic number, because the mean of its divisors is an integer number (22580556).

Almost surely, 2^45161111 is an apocalyptic number.

45161111 is a deficient number, since it is larger than the sum of its proper divisors (1).

45161111 is an equidigital number, since it uses as much as digits as its factorization.

45161111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 45161111 is about 6720.2017082823. The cubic root of 45161111 is about 356.1133097841.

Adding to 45161111 its reverse (11116154), we get a palindrome (56277265).

The spelling of 45161111 in words is "forty-five million, one hundred sixty-one thousand, one hundred eleven".