142300301440 has 128 divisors (see below), whose sum is σ = 371481992640. Its totient is φ = 51694080000.

The previous prime is 142300301359. The next prime is 142300301443. The reversal of 142300301440 is 44103003241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (142300301443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7459915 + ... + 7478965.

Almost surely, 2^142300301440 is an apocalyptic number.

142300301440 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 142300301440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185740996320).

142300301440 is an abundant number, since it is smaller than the sum of its proper divisors (229181691200).

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

142300301440 is a wasteful number, since it uses less digits than its factorization.

142300301440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142 (or 20130 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 142300301440 its reverse (44103003241), we get a palindrome (186403304681).

The spelling of 142300301440 in words is "one hundred forty-two billion, three hundred million, three hundred one thousand, four hundred forty".