142871755 has 12 divisors (see below), whose sum is σ = 185649840. Its totient is φ = 105504672.

The previous prime is 142871753. The next prime is 142871761. The reversal of 142871755 is 557178241.

It is not a de Polignac number, because 142871755 - 2¹ = 142871753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142871753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83695 + ... + 85384.

It is an arithmetic number, because the mean of its divisors is an integer number (15470820).

Almost surely, 2^142871755 is an apocalyptic number.

142871755 is a deficient number, since it is larger than the sum of its proper divisors (42778085).

142871755 is a wasteful number, since it uses less digits than its factorization.

142871755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169110 (or 169097 counting only the distinct ones).

The product of its digits is 78400, while the sum is 40.

The square root of 142871755 is about 11952.8973475053. The cubic root of 142871755 is about 522.7757813997.

The spelling of 142871755 in words is "one hundred forty-two million, eight hundred seventy-one thousand, seven hundred fifty-five".