322145142 has 16 divisors (see below), whose sum is σ = 702862272. Its totient is φ = 97619720.

The previous prime is 322145141. The next prime is 322145177. The reversal of 322145142 is 241541223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322145141) 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, 2440428 + ... + 2440559.

It is an arithmetic number, because the mean of its divisors is an integer number (43928892).

Almost surely, 2^322145142 is an apocalyptic number.

322145142 is an abundant number, since it is smaller than the sum of its proper divisors (380717130).

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

322145142 is a wasteful number, since it uses less digits than its factorization.

322145142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881003.

The product of its digits is 1920, while the sum is 24.

The square root of 322145142 is about 17948.4022130105. The cubic root of 322145142 is about 685.5153682817.

Adding to 322145142 its reverse (241541223), we get a palindrome (563686365).

The spelling of 322145142 in words is "three hundred twenty-two million, one hundred forty-five thousand, one hundred forty-two".