142243202000 has 160 divisors (see below), whose sum is σ = 362525323680. Its totient is φ = 53897625600.

The previous prime is 142243201993. The next prime is 142243202027. The reversal of 142243202000 is 202342241.

It can be written as a sum of positive squares in 16 ways, for example, as 93677620624 + 48565581376 = 306068^2 + 220376^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3050864 + ... + 3097136.

It is an arithmetic number, because the mean of its divisors is an integer number (2265783273).

Almost surely, 2^142243202000 is an apocalyptic number.

142243202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142243202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181262661840).

142243202000 is an abundant number, since it is smaller than the sum of its proper divisors (220282121680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142243202000 is a wasteful number, since it uses less digits than its factorization.

142243202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46378 (or 46362 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 142243202000 its reverse (202342241), we get a palindrome (142445544241).

The spelling of 142243202000 in words is "one hundred forty-two billion, two hundred forty-three million, two hundred two thousand".