142728661470 has 32 divisors (see below), whose sum is σ = 353598750720. Its totient is φ = 36833202720.

The previous prime is 142728661463. The next prime is 142728661499. The reversal of 142728661470 is 74166827241.

142728661470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76734910 + ... + 76736769.

It is an arithmetic number, because the mean of its divisors is an integer number (11049960960).

Almost surely, 2^142728661470 is an apocalyptic number.

142728661470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142728661470 is an abundant number, since it is smaller than the sum of its proper divisors (210870089250).

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

142728661470 is a wasteful number, since it uses less digits than its factorization.

142728661470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153471720.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 142728661470 in words is "one hundred forty-two billion, seven hundred twenty-eight million, six hundred sixty-one thousand, four hundred seventy".