142103242 has 16 divisors (see below), whose sum is σ = 225156960. Its totient is φ = 67077072.

The previous prime is 142103207. The next prime is 142103243. The reversal of 142103242 is 242301241.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (142103243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4753 + ... + 17515.

It is an arithmetic number, because the mean of its divisors is an integer number (14072310).

Almost surely, 2^142103242 is an apocalyptic number.

142103242 is a deficient number, since it is larger than the sum of its proper divisors (83053718).

142103242 is a wasteful number, since it uses less digits than its factorization.

142103242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13077.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142103242 is about 11920.7064387980. The cubic root of 142103242 is about 521.8367516018.

Adding to 142103242 its reverse (242301241), we get a palindrome (384404483).

The spelling of 142103242 in words is "one hundred forty-two million, one hundred three thousand, two hundred forty-two".