142266237 has 16 divisors (see below), whose sum is σ = 192706560. Its totient is φ = 93346992.

The previous prime is 142266203. The next prime is 142266239. The reversal of 142266237 is 732662241.

It is not a de Polignac number, because 142266237 - 2¹⁹ = 141741949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142266198 and 142266207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142266239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50964 + ... + 53682.

It is an arithmetic number, because the mean of its divisors is an integer number (12044160).

Almost surely, 2^142266237 is an apocalyptic number.

It is an amenable number.

142266237 is a deficient number, since it is larger than the sum of its proper divisors (50440323).

142266237 is a wasteful number, since it uses less digits than its factorization.

142266237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its digits is 24192, while the sum is 33.

The square root of 142266237 is about 11927.5411129034. The cubic root of 142266237 is about 522.0361941111.

The spelling of 142266237 in words is "one hundred forty-two million, two hundred sixty-six thousand, two hundred thirty-seven".