102242442142 has 8 divisors (see below), whose sum is σ = 153664968600. Its totient is φ = 51020785944.

The previous prime is 102242442101. The next prime is 102242442161. The reversal of 102242442142 is 241244242201.

It is a happy number.

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 102242442142.

It is a congruent number.

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, 50216292 + ... + 50218327.

It is an arithmetic number, because the mean of its divisors is an integer number (19208121075).

Almost surely, 2^102242442142 is an apocalyptic number.

102242442142 is a deficient number, since it is larger than the sum of its proper divisors (51422526458).

102242442142 is a wasteful number, since it uses less digits than its factorization.

102242442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100435130.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 102242442142 its reverse (241244242201), we get a palindrome (343486684343).

The spelling of 102242442142 in words is "one hundred two billion, two hundred forty-two million, four hundred forty-two thousand, one hundred forty-two".