43045947 has 24 divisors (see below), whose sum is σ = 73513440. Its totient is φ = 23748480.

The previous prime is 43045943. The next prime is 43045957. The reversal of 43045947 is 74954034.

It is not a de Polignac number, because 43045947 - 2² = 43045943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43045943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9954 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 2^43045947 is an apocalyptic number.

43045947 is a deficient number, since it is larger than the sum of its proper divisors (30467493).

43045947 is a wasteful number, since it uses less digits than its factorization.

43045947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23603 (or 23600 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 43045947 is about 6560.9410148240. The cubic root of 43045947 is about 350.4645450545.

The spelling of 43045947 in words is "forty-three million, forty-five thousand, nine hundred forty-seven".