13845156352 has 20 divisors (see below), whose sum is σ = 27663272406. Its totient is φ = 6922577920.

The previous prime is 13845156323. The next prime is 13845156359. The reversal of 13845156352 is 25365154831.

It can be written as a sum of positive squares in only one way, i.e., 7825879296 + 6019277056 = 88464^2 + 77584^2 .

It is a super-2 number, since 2×13845156352² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13845156299 and 13845156308.

It is not an unprimeable number, because it can be changed into a prime (13845156359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13520149 + ... + 13521172.

Almost surely, 2^13845156352 is an apocalyptic number.

It is an amenable number.

13845156352 is a deficient number, since it is larger than the sum of its proper divisors (13818116054).

13845156352 is an frugal number, since it uses more digits than its factorization.

13845156352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27041339 (or 27041323 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 13845156352 in words is "thirteen billion, eight hundred forty-five million, one hundred fifty-six thousand, three hundred fifty-two".