142857140952381 has 16 divisors (see below), whose sum is σ = 202009675610304. Its totient is φ = 89489628244224.

The previous prime is 142857140952367. The next prime is 142857140952391. The reversal of 142857140952381 is 183259041758241.

It is not a de Polignac number, because 142857140952381 - 2¹¹ = 142857140950333 is a prime.

It is a super-2 number, since 2×142857140952381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142857140952391) 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, 2284732531 + ... + 2284795056.

It is an arithmetic number, because the mean of its divisors is an integer number (12625604725644).

Almost surely, 2^{142857140952381} is an apocalyptic number.

It is an amenable number.

142857140952381 is a deficient number, since it is larger than the sum of its proper divisors (59152534657923).

142857140952381 is a wasteful number, since it uses less digits than its factorization.

142857140952381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569528220.

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 142857140952381 in words is "one hundred forty-two trillion, eight hundred fifty-seven billion, one hundred forty million, nine hundred fifty-two thousand, three hundred eighty-one".