2145214150321 has 8 divisors (see below), whose sum is σ = 2340244521504. Its totient is φ = 1950185596320.

The previous prime is 2145214150283. The next prime is 2145214150333. The reversal of 2145214150321 is 1230514125412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145214150321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145214151321) 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, 3544341 + ... + 4105213.

It is an arithmetic number, because the mean of its divisors is an integer number (292530565188).

Almost surely, 2^{2145214150321} is an apocalyptic number.

It is an amenable number.

2145214150321 is a deficient number, since it is larger than the sum of its proper divisors (195030371183).

2145214150321 is a wasteful number, since it uses less digits than its factorization.

2145214150321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908591.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 2145214150321 its reverse (1230514125412), we get a palindrome (3375728275733).

The spelling of 2145214150321 in words is "two trillion, one hundred forty-five billion, two hundred fourteen million, one hundred fifty thousand, three hundred twenty-one".