2145332203552 has 12 divisors (see below), whose sum is σ = 4223622775806. Its totient is φ = 1072666101760.

The previous prime is 2145332203549. The next prime is 2145332203589. The reversal of 2145332203552 is 2553022335412.

It can be written as a sum of positive squares in only one way, i.e., 1560590583696 + 584741619856 = 1249236^2 + 764684^2 .

It is a super-2 number, since 2×2145332203552² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33520815649 + ... + 33520815712.

Almost surely, 2^{2145332203552} is an apocalyptic number.

It is an amenable number.

2145332203552 is a deficient number, since it is larger than the sum of its proper divisors (2078290572254).

2145332203552 is an equidigital number, since it uses as much as digits as its factorization.

2145332203552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67041631371 (or 67041631363 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 2145332203552 its reverse (2553022335412), we get a palindrome (4698354538964).

The spelling of 2145332203552 in words is "two trillion, one hundred forty-five billion, three hundred thirty-two million, two hundred three thousand, five hundred fifty-two".