352142245640242 has 12 divisors (see below), whose sum is σ = 557477266991166. Its totient is φ = 166804221618720.

The previous prime is 352142245640233. The next prime is 352142245640329. The reversal of 352142245640242 is 242046542241253.

It can be written as a sum of positive squares in only one way, i.e., 322444116379441 + 29698129260801 = 17956729^2 + 5449599^2 .

It is a super-2 number, since 2×352142245640242² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352142245640192 and 352142245640201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243865820359 + ... + 243865821802.

Almost surely, 2^{352142245640242} is an apocalyptic number.

352142245640242 is a deficient number, since it is larger than the sum of its proper divisors (205335021350924).

352142245640242 is a wasteful number, since it uses less digits than its factorization.

352142245640242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487731642201 (or 487731642182 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 46.

Adding to 352142245640242 its reverse (242046542241253), we get a palindrome (594188787881495).

The spelling of 352142245640242 in words is "three hundred fifty-two trillion, one hundred forty-two billion, two hundred forty-five million, six hundred forty thousand, two hundred forty-two".