142444240000 has 160 divisors (see below), whose sum is σ = 355142755440. Its totient is φ = 56891520000.

The previous prime is 142444239989. The next prime is 142444240013. The reversal of 142444240000 is 42444241.

It is a tau number, because it is divible by the number of its divisors (160).

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

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, 93039235 + ... + 93040765.

Almost surely, 2^142444240000 is an apocalyptic number.

142444240000 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 142444240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177571377720).

142444240000 is an abundant number, since it is smaller than the sum of its proper divisors (212698515440).

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

142444240000 is an equidigital number, since it uses as much as digits as its factorization.

142444240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 142444240000 its reverse (42444241), we get a palindrome (142486684241).

The spelling of 142444240000 in words is "one hundred forty-two billion, four hundred forty-four million, two hundred forty thousand".