142268938 has 16 divisors (see below), whose sum is σ = 254494080. Its totient is φ = 58321296.

The previous prime is 142268933. The next prime is 142268957. The reversal of 142268938 is 839862241.

It is a junction number, because it is equal to n+sod(n) for n = 142268894 and 142268903.

It is not an unprimeable number, because it can be changed into a prime (142268933) 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 in 7 ways as a sum of consecutive naturals, for example, 220593 + ... + 221236.

It is an arithmetic number, because the mean of its divisors is an integer number (15905880).

Almost surely, 2^142268938 is an apocalyptic number.

142268938 is a deficient number, since it is larger than the sum of its proper divisors (112225142).

142268938 is a wasteful number, since it uses less digits than its factorization.

142268938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441861.

The product of its digits is 165888, while the sum is 43.

The square root of 142268938 is about 11927.6543377145. The cubic root of 142268938 is about 522.0394978015.

The spelling of 142268938 in words is "one hundred forty-two million, two hundred sixty-eight thousand, nine hundred thirty-eight".