142101242 has 8 divisors (see below), whose sum is σ = 213222132. Its totient is φ = 71027200.

The previous prime is 142101233. The next prime is 142101251. The reversal of 142101242 is 242101241.

142101242 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142101233) and next prime (142101251).

It can be written as a sum of positive squares in 2 ways, for example, as 139972561 + 2128681 = 11831^2 + 1459^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 142101242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2759 + ... + 17082.

Almost surely, 2^142101242 is an apocalyptic number.

142101242 is a deficient number, since it is larger than the sum of its proper divisors (71120890).

142101242 is a wasteful number, since it uses less digits than its factorization.

142101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23424.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142101242 is about 11920.6225508570. The cubic root of 142101242 is about 521.8343034325.

Adding to 142101242 its reverse (242101241), we get a palindrome (384202483).

Subtracting 142101242 from its reverse (242101241), we obtain a palindrome (99999999).

The spelling of 142101242 in words is "one hundred forty-two million, one hundred one thousand, two hundred forty-two".