142858728730 has 16 divisors (see below), whose sum is σ = 257150031264. Its totient is φ = 57142531600.

The previous prime is 142858728713. The next prime is 142858728739. The reversal of 142858728730 is 37827858241.

It is not an unprimeable number, because it can be changed into a prime (142858728739) 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, 1029249 + ... + 1159771.

It is an arithmetic number, because the mean of its divisors is an integer number (16071876954).

Almost surely, 2^142858728730 is an apocalyptic number.

142858728730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142858728730 is a deficient number, since it is larger than the sum of its proper divisors (114291302534).

142858728730 is a wasteful number, since it uses less digits than its factorization.

142858728730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239981.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 142858728730 in words is "one hundred forty-two billion, eight hundred fifty-eight million, seven hundred twenty-eight thousand, seven hundred thirty".