43145044 has 24 divisors (see below), whose sum is σ = 77161280. Its totient is φ = 21104064.

The previous prime is 43145041. The next prime is 43145051. The reversal of 43145044 is 44054134.

It is a super-2 number, since 2×43145044² = 3722989643523872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43145041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40057 + ... + 41119.

Almost surely, 2^43145044 is an apocalyptic number.

It is an amenable number.

43145044 is a deficient number, since it is larger than the sum of its proper divisors (34016236).

43145044 is a wasteful number, since it uses less digits than its factorization.

43145044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 43145044 is about 6568.4887150699. The cubic root of 43145044 is about 350.7332762638.

Adding to 43145044 its reverse (44054134), we get a palindrome (87199178).

The spelling of 43145044 in words is "forty-three million, one hundred forty-five thousand, forty-four".