322145153240 has 32 divisors (see below), whose sum is σ = 749820618000. Its totient is φ = 124414679424.

The previous prime is 322145153233. The next prime is 322145153243. The reversal of 322145153240 is 42351541223.

It is a junction number, because it is equal to n+sod(n) for n = 322145153197 and 322145153206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322145153243) 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, 138854510 + ... + 138856829.

Almost surely, 2^322145153240 is an apocalyptic number.

It is an amenable number.

322145153240 is an abundant number, since it is smaller than the sum of its proper divisors (427675464760).

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

322145153240 is a wasteful number, since it uses less digits than its factorization.

322145153240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277711379 (or 277711375 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 322145153240 its reverse (42351541223), we get a palindrome (364496694463).

The spelling of 322145153240 in words is "three hundred twenty-two billion, one hundred forty-five million, one hundred fifty-three thousand, two hundred forty".