142322000 has 40 divisors (see below), whose sum is σ = 344139432. Its totient is φ = 56928000.

The previous prime is 142321987. The next prime is 142322021. The reversal of 142322000 is 223241.

It can be written as a sum of positive squares in 4 ways, for example, as 1567504 + 140754496 = 1252^2 + 11864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33581 + ... + 37580.

Almost surely, 2^142322000 is an apocalyptic number.

142322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142322000 is an abundant number, since it is smaller than the sum of its proper divisors (201817432).

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

142322000 is an equidigital number, since it uses as much as digits as its factorization.

142322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71184 (or 71168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 142322000 is about 11929.8784570506. The cubic root of 142322000 is about 522.1043913689.

Adding to 142322000 its reverse (223241), we get a palindrome (142545241).

The spelling of 142322000 in words is "one hundred forty-two million, three hundred twenty-two thousand".