43151056 has 20 divisors (see below), whose sum is σ = 90036772. Its totient is φ = 19915776.

The previous prime is 43151047. The next prime is 43151057. The reversal of 43151056 is 65015134.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 33640000 = 3084^2 + 5800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43151056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43151057) 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, 103521 + ... + 103936.

Almost surely, 2^43151056 is an apocalyptic number.

It is an amenable number.

43151056 is an abundant number, since it is smaller than the sum of its proper divisors (46885716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43151056 is a wasteful number, since it uses less digits than its factorization.

43151056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207478 (or 207472 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 43151056 is about 6568.9463386452. The cubic root of 43151056 is about 350.7495663582.

The spelling of 43151056 in words is "forty-three million, one hundred fifty-one thousand, fifty-six".