2145321002422 has 8 divisors (see below), whose sum is σ = 3465518542416. Its totient is φ = 990148154952.

The previous prime is 2145321002413. The next prime is 2145321002423. The reversal of 2145321002422 is 2242001235412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145321002423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41256173098 + ... + 41256173149.

It is an arithmetic number, because the mean of its divisors is an integer number (433189817802).

Almost surely, 2^{2145321002422} is an apocalyptic number.

2145321002422 is a deficient number, since it is larger than the sum of its proper divisors (1320197539994).

2145321002422 is a wasteful number, since it uses less digits than its factorization.

2145321002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82512346262.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2145321002422 its reverse (2242001235412), we get a palindrome (4387322237834).

The spelling of 2145321002422 in words is "two trillion, one hundred forty-five billion, three hundred twenty-one million, two thousand, four hundred twenty-two".