43245369 has 6 divisors (see below), whose sum is σ = 62465546. Its totient is φ = 28830240.

The previous prime is 43245337. The next prime is 43245373. The reversal of 43245369 is 96354234.

It can be written as a sum of positive squares in only one way, i.e., 39841344 + 3404025 = 6312^2 + 1845^2 .

It is not a de Polignac number, because 43245369 - 2⁵ = 43245337 is a prime.

It is a super-2 number, since 2×43245369² = 3740323879892322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43245379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2402512 + ... + 2402529.

Almost surely, 2^43245369 is an apocalyptic number.

It is an amenable number.

43245369 is a deficient number, since it is larger than the sum of its proper divisors (19220177).

43245369 is a wasteful number, since it uses less digits than its factorization.

43245369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805047 (or 4805044 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 43245369 is about 6576.1211211473. The cubic root of 43245369 is about 351.0049187223.

The spelling of 43245369 in words is "forty-three million, two hundred forty-five thousand, three hundred sixty-nine".