142220101400 has 96 divisors (see below), whose sum is σ = 357125736240. Its totient is φ = 52360373760.

The previous prime is 142220101393. The next prime is 142220101421. The reversal of 142220101400 is 4101022241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823382 + ... + 981018.

Almost surely, 2^142220101400 is an apocalyptic number.

142220101400 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 142220101400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178562868120).

142220101400 is an abundant number, since it is smaller than the sum of its proper divisors (214905634840).

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

142220101400 is a wasteful number, since it uses less digits than its factorization.

142220101400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158013 (or 158004 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 142220101400 its reverse (4101022241), we get a palindrome (146321123641).

The spelling of 142220101400 in words is "one hundred forty-two billion, two hundred twenty million, one hundred one thousand, four hundred".