5645246452 has 12 divisors (see below), whose sum is σ = 10065581316. Its totient is φ = 2769366080.

The previous prime is 5645246371. The next prime is 5645246461. The reversal of 5645246452 is 2546425465.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3003697636 + 2641548816 = 54806^2 + 51396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5645246399 and 5645246408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13314049 + ... + 13314472.

It is an arithmetic number, because the mean of its divisors is an integer number (838798443).

Almost surely, 2^5645246452 is an apocalyptic number.

It is an amenable number.

5645246452 is a deficient number, since it is larger than the sum of its proper divisors (4420334864).

5645246452 is a wasteful number, since it uses less digits than its factorization.

5645246452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26628578 (or 26628576 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The square root of 5645246452 is about 75134.8551073335. The cubic root of 5645246452 is about 1780.5778593472.

The spelling of 5645246452 in words is "five billion, six hundred forty-five million, two hundred forty-six thousand, four hundred fifty-two".