142227268 has 6 divisors (see below), whose sum is σ = 248897726. Its totient is φ = 71113632.

The previous prime is 142227263. The next prime is 142227299. The reversal of 142227268 is 862722241.

142227268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 106131204 + 36096064 = 10302^2 + 6008^2 .

It is not an unprimeable number, because it can be changed into a prime (142227263) 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 as a sum of consecutive naturals, namely, 17778405 + ... + 17778412.

Almost surely, 2^142227268 is an apocalyptic number.

It is an amenable number.

142227268 is a deficient number, since it is larger than the sum of its proper divisors (106670458).

142227268 is a wasteful number, since it uses less digits than its factorization.

142227268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35556821 (or 35556819 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 142227268 is about 11925.9074287871. The cubic root of 142227268 is about 521.9885250679.

The spelling of 142227268 in words is "one hundred forty-two million, two hundred twenty-seven thousand, two hundred sixty-eight".