13845252532 has 6 divisors (see below), whose sum is σ = 24229191938. Its totient is φ = 6922626264.

The previous prime is 13845252511. The next prime is 13845252539. The reversal of 13845252532 is 23525254831.

It can be written as a sum of positive squares in only one way, i.e., 13399451536 + 445800996 = 115756^2 + 21114^2 .

It is a super-2 number, since 2×13845252532² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845252539) 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 as a sum of consecutive naturals, namely, 1730656563 + ... + 1730656570.

Almost surely, 2^13845252532 is an apocalyptic number.

It is an amenable number.

13845252532 is a deficient number, since it is larger than the sum of its proper divisors (10383939406).

13845252532 is a wasteful number, since it uses less digits than its factorization.

13845252532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461313137 (or 3461313135 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The spelling of 13845252532 in words is "thirteen billion, eight hundred forty-five million, two hundred fifty-two thousand, five hundred thirty-two".