12752245845 has 24 divisors (see below), whose sum is σ = 22129692000. Its totient is φ = 6793259616.

The previous prime is 12752245843. The next prime is 12752245861. The reversal of 12752245845 is 54854225721.

12752245845 is a `hidden beast` number, since 1 + 2 + 7 + 522 + 45 + 84 + 5 = 666.

It is not a de Polignac number, because 12752245845 - 2¹ = 12752245843 is a prime.

It is a super-3 number, since 3×12752245845³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12752245845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12752245843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126295 + ... + 203604.

It is an arithmetic number, because the mean of its divisors is an integer number (922070500).

Almost surely, 2^12752245845 is an apocalyptic number.

12752245845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12752245845 is a deficient number, since it is larger than the sum of its proper divisors (9377446155).

12752245845 is a wasteful number, since it uses less digits than its factorization.

12752245845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330769 (or 330766 counting only the distinct ones).

The product of its digits is 896000, while the sum is 45.

The spelling of 12752245845 in words is "twelve billion, seven hundred fifty-two million, two hundred forty-five thousand, eight hundred forty-five".