142235315242 has 8 divisors (see below), whose sum is σ = 213354741600. Its totient is φ = 71117068044.

The previous prime is 142235315239. The next prime is 142235315249. The reversal of 142235315242 is 242513532241.

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

It is a super-2 number, since 2×142235315242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142235315198 and 142235315207.

It is not an unprimeable number, because it can be changed into a prime (142235315249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128109 + ... + 548527.

It is an arithmetic number, because the mean of its divisors is an integer number (26669342700).

Almost surely, 2^142235315242 is an apocalyptic number.

142235315242 is a deficient number, since it is larger than the sum of its proper divisors (71119426358).

142235315242 is a wasteful number, since it uses less digits than its factorization.

142235315242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589580.

The product of its digits is 57600, while the sum is 34.

Adding to 142235315242 its reverse (242513532241), we get a palindrome (384748847483).

The spelling of 142235315242 in words is "one hundred forty-two billion, two hundred thirty-five million, three hundred fifteen thousand, two hundred forty-two".