142730812400 has 120 divisors (see below), whose sum is σ = 374362070544. Its totient is φ = 51863603200.

The previous prime is 142730812381. The next prime is 142730812447. The reversal of 142730812400 is 4218037241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6293882 + ... + 6316518.

Almost surely, 2^142730812400 is an apocalyptic number.

142730812400 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 142730812400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187181035272).

142730812400 is an abundant number, since it is smaller than the sum of its proper divisors (231631258144).

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

142730812400 is a wasteful number, since it uses less digits than its factorization.

142730812400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24099 (or 24088 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 142730812400 its reverse (4218037241), we get a palindrome (146948849641).

The spelling of 142730812400 in words is "one hundred forty-two billion, seven hundred thirty million, eight hundred twelve thousand, four hundred".