45242111 has 2 divisors, whose sum is σ = 45242112. Its totient is φ = 45242110.

The previous prime is 45242107. The next prime is 45242143. The reversal of 45242111 is 11124254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45242111 - 2² = 45242107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45242011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621055 + 22621056.

It is an arithmetic number, because the mean of its divisors is an integer number (22621056).

Almost surely, 2^45242111 is an apocalyptic number.

45242111 is a deficient number, since it is larger than the sum of its proper divisors (1).

45242111 is an equidigital number, since it uses as much as digits as its factorization.

45242111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 20.

The square root of 45242111 is about 6726.2256132247. The cubic root of 45242111 is about 356.3260883543.

Adding to 45242111 its reverse (11124254), we get a palindrome (56366365).

The spelling of 45242111 in words is "forty-five million, two hundred forty-two thousand, one hundred eleven".