43869245 has 32 divisors (see below), whose sum is σ = 62380032. Its totient is φ = 28994112.

The previous prime is 43869239. The next prime is 43869263. The reversal of 43869245 is 54296834.

It is a de Polignac number, because none of the positive numbers 2^k-43869245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154874 + ... + 155156.

It is an arithmetic number, because the mean of its divisors is an integer number (1949376).

Almost surely, 2^43869245 is an apocalyptic number.

It is an amenable number.

43869245 is a deficient number, since it is larger than the sum of its proper divisors (18510787).

43869245 is a wasteful number, since it uses less digits than its factorization.

43869245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its digits is 207360, while the sum is 41.

The square root of 43869245 is about 6623.3862185441. The cubic root of 43869245 is about 352.6847814797.

It can be divided in two parts, 4386 and 9245, that added together give a palindrome (13631).

The spelling of 43869245 in words is "forty-three million, eight hundred sixty-nine thousand, two hundred forty-five".