142432021443200 has 96 divisors (see below), whose sum is σ = 357619662526620. Its totient is φ = 56038828032000.

The previous prime is 142432021443157. The next prime is 142432021443203. The reversal of 142432021443200 is 2344120234241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12366025439296 + 130065996003904 = 3516536^2 + 11404648^2 .

It is a super-2 number, since 2×142432021443200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (142432021443203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364640921 + ... + 365031320.

Almost surely, 2^{142432021443200} is an apocalyptic number.

142432021443200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142432021443200 is an abundant number, since it is smaller than the sum of its proper divisors (215187641083420).

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

142432021443200 is an equidigital number, since it uses as much as digits as its factorization.

142432021443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729672326 (or 729672309 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142432021443200 its reverse (2344120234241), we get a palindrome (144776141677441).

The spelling of 142432021443200 in words is "one hundred forty-two trillion, four hundred thirty-two billion, twenty-one million, four hundred forty-three thousand, two hundred".