142842720630 has 32 divisors (see below), whose sum is σ = 342904243968. Its totient is φ = 38082312800.

The previous prime is 142842720623. The next prime is 142842720637. The reversal of 142842720630 is 36027248241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142842720623) and next prime (142842720637).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142842720637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439026 + ... + 691685.

It is an arithmetic number, because the mean of its divisors is an integer number (10715757624).

Almost surely, 2^142842720630 is an apocalyptic number.

142842720630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142842720630 is an abundant number, since it is smaller than the sum of its proper divisors (200061523338).

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

142842720630 is a wasteful number, since it uses less digits than its factorization.

142842720630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134932.

The product of its (nonzero) digits is 129024, while the sum is 39.

Adding to 142842720630 its reverse (36027248241), we get a palindrome (178869968871).

The spelling of 142842720630 in words is "one hundred forty-two billion, eight hundred forty-two million, seven hundred twenty thousand, six hundred thirty".