142266111 has 16 divisors (see below), whose sum is σ = 205327584. Its totient is φ = 87099264.

The previous prime is 142266107. The next prime is 142266119. The reversal of 142266111 is 111662241.

It is a happy number.

It is not a de Polignac number, because 142266111 - 2² = 142266107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142266119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (12832974).

Almost surely, 2^142266111 is an apocalyptic number.

142266111 is a deficient number, since it is larger than the sum of its proper divisors (63061473).

142266111 is a wasteful number, since it uses less digits than its factorization.

142266111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18730.

The product of its digits is 576, while the sum is 24.

The square root of 142266111 is about 11927.5358310089. The cubic root of 142266111 is about 522.0360399949.

The spelling of 142266111 in words is "one hundred forty-two million, two hundred sixty-six thousand, one hundred eleven".