142303143040 has 128 divisors (see below), whose sum is σ = 360482296320. Its totient is φ = 53531688960.

The previous prime is 142303143013. The next prime is 142303143049. The reversal of 142303143040 is 40341303241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142303142996 and 142303143014.

It is not an unprimeable number, because it can be changed into a prime (142303143049) 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, 16653009 + ... + 16661551.

It is an arithmetic number, because the mean of its divisors is an integer number (2816267940).

Almost surely, 2^142303143040 is an apocalyptic number.

142303143040 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 142303143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180241148160).

142303143040 is an abundant number, since it is smaller than the sum of its proper divisors (218179153280).

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

142303143040 is a wasteful number, since it uses less digits than its factorization.

142303143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142303143040 its reverse (40341303241), we get a palindrome (182644446281).

The spelling of 142303143040 in words is "one hundred forty-two billion, three hundred three million, one hundred forty-three thousand, forty".