142888726408 has 32 divisors (see below), whose sum is σ = 274573083960. Its totient is φ = 69670789120.

The previous prime is 142888726403. The next prime is 142888726469. The reversal of 142888726408 is 804627888241.

It can be written as a sum of positive squares in 4 ways, for example, as 129627361444 + 13261364964 = 360038^2 + 115158^2 .

It is not an unprimeable number, because it can be changed into a prime (142888726403) 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 7 ways as a sum of consecutive naturals, for example, 649716 + ... + 841372.

Almost surely, 2^142888726408 is an apocalyptic number.

It is an amenable number.

142888726408 is a deficient number, since it is larger than the sum of its proper divisors (131684357552).

142888726408 is a wasteful number, since it uses less digits than its factorization.

142888726408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193977 (or 193973 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 58.

The spelling of 142888726408 in words is "one hundred forty-two billion, eight hundred eighty-eight million, seven hundred twenty-six thousand, four hundred eight".