355143020242 has 16 divisors (see below), whose sum is σ = 534113608032. Its totient is φ = 177105268800.

The previous prime is 355143020191. The next prime is 355143020257. The reversal of 355143020242 is 242020341553.

It is a super-2 number, since 2×355143020242² (a number of 24 digits) contains 22 as substring.

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, 7131433 + ... + 7181059.

It is an arithmetic number, because the mean of its divisors is an integer number (33382100502).

Almost surely, 2^355143020242 is an apocalyptic number.

355143020242 is a deficient number, since it is larger than the sum of its proper divisors (178970587790).

355143020242 is a wasteful number, since it uses less digits than its factorization.

355143020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58953.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 355143020242 its reverse (242020341553), we get a palindrome (597163361795).

The spelling of 355143020242 in words is "three hundred fifty-five billion, one hundred forty-three million, twenty thousand, two hundred forty-two".