44642111 has 2 divisors, whose sum is σ = 44642112. Its totient is φ = 44642110.

The previous prime is 44642099. The next prime is 44642113. The reversal of 44642111 is 11124644.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44642111 - 2¹⁸ = 44379967 is a prime.

Together with 44642113, 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 (44642113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22321055 + 22321056.

It is an arithmetic number, because the mean of its divisors is an integer number (22321056).

Almost surely, 2^44642111 is an apocalyptic number.

44642111 is a deficient number, since it is larger than the sum of its proper divisors (1).

44642111 is an equidigital number, since it uses as much as digits as its factorization.

44642111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 44642111 is about 6681.4752113586. The cubic root of 44642111 is about 354.7438766215.

Adding to 44642111 its reverse (11124644), we get a palindrome (55766755).

The spelling of 44642111 in words is "forty-four million, six hundred forty-two thousand, one hundred eleven".