142237142722 has 16 divisors (see below), whose sum is σ = 217476964152. Its totient is φ = 69746002560.

The previous prime is 142237142701. The next prime is 142237142759. The reversal of 142237142722 is 227241732241.

It can be written as a sum of positive squares in 4 ways, for example, as 140376859561 + 1860283161 = 374669^2 + 43131^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52353 + ... + 535924.

Almost surely, 2^142237142722 is an apocalyptic number.

142237142722 is a deficient number, since it is larger than the sum of its proper divisors (75239821430).

142237142722 is a wasteful number, since it uses less digits than its factorization.

142237142722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590613.

The product of its digits is 75264, while the sum is 37.

Adding to 142237142722 its reverse (227241732241), we get a palindrome (369478874963).

The spelling of 142237142722 in words is "one hundred forty-two billion, two hundred thirty-seven million, one hundred forty-two thousand, seven hundred twenty-two".