142253126 has 4 divisors (see below), whose sum is σ = 213379692. Its totient is φ = 71126562.

The previous prime is 142253117. The next prime is 142253143. The reversal of 142253126 is 621352241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621352241 = 257 ⋅2417713.

It is a junction number, because it is equal to n+sod(n) for n = 142253095 and 142253104.

It is a congruent number.

It is an unprimeable number.

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, 35563280 + ... + 35563283.

It is an arithmetic number, because the mean of its divisors is an integer number (53344923).

Almost surely, 2^142253126 is an apocalyptic number.

142253126 is a deficient number, since it is larger than the sum of its proper divisors (71126566).

142253126 is an equidigital number, since it uses as much as digits as its factorization.

142253126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71126565.

The product of its digits is 2880, while the sum is 26.

The square root of 142253126 is about 11926.9914898938. The cubic root of 142253126 is about 522.0201569801.

The spelling of 142253126 in words is "one hundred forty-two million, two hundred fifty-three thousand, one hundred twenty-six".