43971152 has 20 divisors (see below), whose sum is σ = 86396256. Its totient is φ = 21675360.

The previous prime is 43971143. The next prime is 43971157. The reversal of 43971152 is 25117934.

43971152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43971157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18218 + ... + 20489.

Almost surely, 2^43971152 is an apocalyptic number.

It is an amenable number.

43971152 is a deficient number, since it is larger than the sum of its proper divisors (42425104).

43971152 is a wasteful number, since it uses less digits than its factorization.

43971152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786 (or 38780 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 43971152 is about 6631.0747243565. The cubic root of 43971152 is about 352.9576625066.

The spelling of 43971152 in words is "forty-three million, nine hundred seventy-one thousand, one hundred fifty-two".