142331008 has 64 divisors (see below), whose sum is σ = 298723320. Its totient is φ = 67461120.

The previous prime is 142330999. The next prime is 142331009. The reversal of 142331008 is 800133241.

It can be written as a sum of positive squares in 4 ways, for example, as 139996224 + 2334784 = 11832^2 + 1528^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 142331008.

It is not an unprimeable number, because it can be changed into a prime (142331009) 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, 193810 + ... + 194542.

Almost surely, 2^142331008 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 142331008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149361660).

142331008 is an abundant number, since it is smaller than the sum of its proper divisors (156392312).

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

142331008 is an equidigital number, since it uses as much as digits as its factorization.

142331008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142331008 is about 11930.2559905477. The cubic root of 142331008 is about 522.1154063376.

Adding to 142331008 its reverse (800133241), we get a palindrome (942464249).

The spelling of 142331008 in words is "one hundred forty-two million, three hundred thirty-one thousand, eight".