142231032500 has 60 divisors (see below), whose sum is σ = 312271366176. Its totient is φ = 56665500000.

The previous prime is 142231032499. The next prime is 142231032547. The reversal of 142231032500 is 5230132241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 514169 + ... + 740831.

Almost surely, 2^142231032500 is an apocalyptic number.

142231032500 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 142231032500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156135683088).

142231032500 is an abundant number, since it is smaller than the sum of its proper divisors (170040333676).

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

142231032500 is a wasteful number, since it uses less digits than its factorization.

142231032500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226938 (or 226921 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 142231032500 its reverse (5230132241), we get a palindrome (147461164741).

The spelling of 142231032500 in words is "one hundred forty-two billion, two hundred thirty-one million, thirty-two thousand, five hundred".