142344440102 has 4 divisors (see below), whose sum is σ = 213516660156. Its totient is φ = 71172220050.

The previous prime is 142344440093. The next prime is 142344440107. The reversal of 142344440102 is 201044443241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201044443241 = 52153 ⋅3854897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344440107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35586110024 + ... + 35586110027.

It is an arithmetic number, because the mean of its divisors is an integer number (53379165039).

Almost surely, 2^142344440102 is an apocalyptic number.

142344440102 is a deficient number, since it is larger than the sum of its proper divisors (71172220054).

142344440102 is an equidigital number, since it uses as much as digits as its factorization.

142344440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71172220053.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142344440102 its reverse (201044443241), we get a palindrome (343388883343).

The spelling of 142344440102 in words is "one hundred forty-two billion, three hundred forty-four million, four hundred forty thousand, one hundred two".