43454128 has 20 divisors (see below), whose sum is σ = 84452680. Its totient is φ = 21659904.

The previous prime is 43454119. The next prime is 43454129. The reversal of 43454128 is 82145434.

It is a super-2 number, since 2×43454128² = 3776522480480768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43454128.

It is not an unprimeable number, because it can be changed into a prime (43454129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (4222634).

Almost surely, 2^43454128 is an apocalyptic number.

It is an amenable number.

43454128 is a deficient number, since it is larger than the sum of its proper divisors (40998552).

43454128 is a wasteful number, since it uses less digits than its factorization.

43454128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404 (or 8398 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 43454128 is about 6591.9745145138. The cubic root of 43454128 is about 351.5688160432.

The spelling of 43454128 in words is "forty-three million, four hundred fifty-four thousand, one hundred twenty-eight".