142113722 has 4 divisors (see below), whose sum is σ = 213170586. Its totient is φ = 71056860.

The previous prime is 142113701. The next prime is 142113737. The reversal of 142113722 is 227311241.

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

It can be written as a sum of positive squares in only one way, i.e., 142110241 + 3481 = 11921^2 + 59^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35528429 + ... + 35528432.

Almost surely, 2^142113722 is an apocalyptic number.

142113722 is a deficient number, since it is larger than the sum of its proper divisors (71056864).

142113722 is an equidigital number, since it uses as much as digits as its factorization.

142113722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71056863.

The product of its digits is 672, while the sum is 23.

The square root of 142113722 is about 11921.1460019580. The cubic root of 142113722 is about 521.8495796336.

Adding to 142113722 its reverse (227311241), we get a palindrome (369424963).

The spelling of 142113722 in words is "one hundred forty-two million, one hundred thirteen thousand, seven hundred twenty-two".