142748282730 has 32 divisors (see below), whose sum is σ = 342925689600. Its totient is φ = 38029563072.

The previous prime is 142748282717. The next prime is 142748282737. The reversal of 142748282730 is 37282847241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142748282730.

It is not an unprimeable number, because it can be changed into a prime (142748282737) 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, 2258665 + ... + 2321004.

It is an arithmetic number, because the mean of its divisors is an integer number (10716427800).

Almost surely, 2^142748282730 is an apocalyptic number.

142748282730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142748282730 is an abundant number, since it is smaller than the sum of its proper divisors (200177406870).

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

142748282730 is a wasteful number, since it uses less digits than its factorization.

142748282730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580718.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 142748282730 in words is "one hundred forty-two billion, seven hundred forty-eight million, two hundred eighty-two thousand, seven hundred thirty".