142232322400 has 144 divisors (see below), whose sum is σ = 420171294816. Its totient is φ = 45896785920.

The previous prime is 142232322359. The next prime is 142232322413. The reversal of 142232322400 is 4223232241.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 651819 + ... + 842218.

It is an arithmetic number, because the mean of its divisors is an integer number (2917856214).

Almost surely, 2^142232322400 is an apocalyptic number.

142232322400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142232322400 is an abundant number, since it is smaller than the sum of its proper divisors (277938972416).

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

142232322400 is a wasteful number, since it uses less digits than its factorization.

142232322400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494081 (or 1494068 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 142232322400 its reverse (4223232241), we get a palindrome (146455554641).

The spelling of 142232322400 in words is "one hundred forty-two billion, two hundred thirty-two million, three hundred twenty-two thousand, four hundred".