142386288 has 160 divisors (see below), whose sum is σ = 440328960. Its totient is φ = 39137280.

The previous prime is 142386241. The next prime is 142386289. The reversal of 142386288 is 882683241.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142386289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260031 + ... + 260577.

It is an arithmetic number, because the mean of its divisors is an integer number (2752056).

Almost surely, 2^142386288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142386288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220164480).

142386288 is an abundant number, since it is smaller than the sum of its proper divisors (297942672).

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

142386288 is a wasteful number, since it uses less digits than its factorization.

142386288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 609 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 142386288 is about 11932.5725642043. The cubic root of 142386288 is about 522.1829924625.

The spelling of 142386288 in words is "one hundred forty-two million, three hundred eighty-six thousand, two hundred eighty-eight".