142270747648 has 88 divisors (see below), whose sum is σ = 291167114112. Its totient is φ = 69450891264.

The previous prime is 142270747639. The next prime is 142270747649. The reversal of 142270747648 is 846747072241.

It is a junction number, because it is equal to n+sod(n) for n = 142270747595 and 142270747604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142270747649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20836011 + ... + 20842837.

Almost surely, 2^142270747648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142270747648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145583557056).

142270747648 is an abundant number, since it is smaller than the sum of its proper divisors (148896366464).

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

142270747648 is an equidigital number, since it uses as much as digits as its factorization.

142270747648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327 (or 7309 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 142270747648 in words is "one hundred forty-two billion, two hundred seventy million, seven hundred forty-seven thousand, six hundred forty-eight".