142280126 has 4 divisors (see below), whose sum is σ = 213420192. Its totient is φ = 71140062.

The previous prime is 142280087. The next prime is 142280129. The reversal of 142280126 is 621082241.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 142280095 and 142280104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142280129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35570030 + ... + 35570033.

It is an arithmetic number, because the mean of its divisors is an integer number (53355048).

Almost surely, 2^142280126 is an apocalyptic number.

142280126 is a deficient number, since it is larger than the sum of its proper divisors (71140066).

142280126 is an equidigital number, since it uses as much as digits as its factorization.

142280126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71140065.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 142280126 is about 11928.1233226355. The cubic root of 142280126 is about 522.0531818024.

The spelling of 142280126 in words is "one hundred forty-two million, two hundred eighty thousand, one hundred twenty-six".