142311022 has 8 divisors (see below), whose sum is σ = 243961776. Its totient is φ = 60990432.

The previous prime is 142310983. The next prime is 142311023. The reversal of 142311022 is 220113241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142310987 and 142311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142311023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082523 + ... + 5082550.

It is an arithmetic number, because the mean of its divisors is an integer number (30495222).

Almost surely, 2^142311022 is an apocalyptic number.

142311022 is a deficient number, since it is larger than the sum of its proper divisors (101650754).

142311022 is a wasteful number, since it uses less digits than its factorization.

142311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165082.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142311022 is about 11929.4183429034. The cubic root of 142311022 is about 522.0909668588.

Adding to 142311022 its reverse (220113241), we get a palindrome (362424263).

The spelling of 142311022 in words is "one hundred forty-two million, three hundred eleven thousand, twenty-two".