142655838 has 32 divisors (see below), whose sum is σ = 323433600. Its totient is φ = 41583456.

The previous prime is 142655837. The next prime is 142655861. The reversal of 142655838 is 838556241.

It is a self number, because there is not a number n which added to its sum of digits gives 142655838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142655837) 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, 46648 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (10107300).

Almost surely, 2^142655838 is an apocalyptic number.

142655838 is an abundant number, since it is smaller than the sum of its proper divisors (180777762).

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

142655838 is a wasteful number, since it uses less digits than its factorization.

142655838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96296.

The product of its digits is 230400, while the sum is 42.

The square root of 142655838 is about 11943.8619382510. The cubic root of 142655838 is about 522.5122978112.

The spelling of 142655838 in words is "one hundred forty-two million, six hundred fifty-five thousand, eight hundred thirty-eight".