142238365 has 8 divisors (see below), whose sum is σ = 172343808. Its totient is φ = 112685520.

The previous prime is 142238363. The next prime is 142238399. The reversal of 142238365 is 563832241.

142238365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142238365 - 2¹ = 142238363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142238365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142238363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137581 + ... + 138610.

It is an arithmetic number, because the mean of its divisors is an integer number (21542976).

Almost surely, 2^142238365 is an apocalyptic number.

It is an amenable number.

142238365 is a deficient number, since it is larger than the sum of its proper divisors (30105443).

142238365 is a wasteful number, since it uses less digits than its factorization.

142238365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276299.

The product of its digits is 34560, while the sum is 34.

The square root of 142238365 is about 11926.3726673285. The cubic root of 142238365 is about 522.0021004207.

The spelling of 142238365 in words is "one hundred forty-two million, two hundred thirty-eight thousand, three hundred sixty-five".