2145320214532 has 24 divisors (see below), whose sum is σ = 4095692187552. Its totient is φ = 975126297600.

The previous prime is 2145320214463. The next prime is 2145320214533. The reversal of 2145320214532 is 2354120235412.

It is not an unprimeable number, because it can be changed into a prime (2145320214533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905307 + ... + 2814397.

It is an arithmetic number, because the mean of its divisors is an integer number (170653841148).

Almost surely, 2^{2145320214532} is an apocalyptic number.

2145320214532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2145320214532 is a deficient number, since it is larger than the sum of its proper divisors (1950371973020).

2145320214532 is a wasteful number, since it uses less digits than its factorization.

2145320214532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962739 (or 962737 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 2145320214532 its reverse (2354120235412), we get a palindrome (4499440449944).

The spelling of 2145320214532 in words is "two trillion, one hundred forty-five billion, three hundred twenty million, two hundred fourteen thousand, five hundred thirty-two".