142253535242 has 32 divisors (see below), whose sum is σ = 262662379392. Its totient is φ = 56267452224.

The previous prime is 142253535241. The next prime is 142253535253. The reversal of 142253535242 is 242535352241.

It is a junction number, because it is equal to n+sod(n) for n = 142253535196 and 142253535205.

It is not an unprimeable number, because it can be changed into a prime (142253535241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195928 + ... + 1309484.

It is an arithmetic number, because the mean of its divisors is an integer number (8208199356).

Almost surely, 2^142253535242 is an apocalyptic number.

142253535242 is a deficient number, since it is larger than the sum of its proper divisors (120408844150).

142253535242 is a wasteful number, since it uses less digits than its factorization.

142253535242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120462.

The product of its digits is 288000, while the sum is 38.

Adding to 142253535242 its reverse (242535352241), we get a palindrome (384788887483).

The spelling of 142253535242 in words is "one hundred forty-two billion, two hundred fifty-three million, five hundred thirty-five thousand, two hundred forty-two".