142252766 has 4 divisors (see below), whose sum is σ = 213379152. Its totient is φ = 71126382.

The previous prime is 142252741. The next prime is 142252777. The reversal of 142252766 is 667252241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35563190 + ... + 35563193.

It is an arithmetic number, because the mean of its divisors is an integer number (53344788).

Almost surely, 2^142252766 is an apocalyptic number.

142252766 is a deficient number, since it is larger than the sum of its proper divisors (71126386).

142252766 is an equidigital number, since it uses as much as digits as its factorization.

142252766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71126385.

The product of its digits is 40320, while the sum is 35.

The square root of 142252766 is about 11926.9763980650. The cubic root of 142252766 is about 522.0197166209.

The spelling of 142252766 in words is "one hundred forty-two million, two hundred fifty-two thousand, seven hundred sixty-six".