142544244000 has 192 divisors, whose sum is σ = 470544826752. Its totient is φ = 37721216000.

The previous prime is 142544243987. The next prime is 142544244019. The reversal of 142544244000 is 442445241.

It is a super-2 number, since 2×142544244000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1526662 + ... + 1617338.

It is an arithmetic number, because the mean of its divisors is an integer number (2450754306).

Almost surely, 2^142544244000 is an apocalyptic number.

142544244000 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 142544244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235272413376).

142544244000 is an abundant number, since it is smaller than the sum of its proper divisors (328000582752).

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

142544244000 is a wasteful number, since it uses less digits than its factorization.

142544244000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90836 (or 90818 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 142544244000 its reverse (442445241), we get a palindrome (142986689241).

The spelling of 142544244000 in words is "one hundred forty-two billion, five hundred forty-four million, two hundred forty-four thousand".