142252222315531 has 8 divisors (see below), whose sum is σ = 143851544224560. Its totient is φ = 140652922236288.

The previous prime is 142252222315529. The next prime is 142252222315561. The reversal of 142252222315531 is 135513222252241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142252222315531 - 2¹ = 142252222315529 is a prime.

It is a super-2 number, since 2×142252222315531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142252222315561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7829500 + ... + 18595846.

It is an arithmetic number, because the mean of its divisors is an integer number (17981443028070).

Almost surely, 2^{142252222315531} is an apocalyptic number.

142252222315531 is a deficient number, since it is larger than the sum of its proper divisors (1599321909029).

142252222315531 is a wasteful number, since it uses less digits than its factorization.

142252222315531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914893.

The product of its digits is 288000, while the sum is 40.

Adding to 142252222315531 its reverse (135513222252241), we get a palindrome (277765444567772).

The spelling of 142252222315531 in words is "one hundred forty-two trillion, two hundred fifty-two billion, two hundred twenty-two million, three hundred fifteen thousand, five hundred thirty-one".