43464161 has 4 divisors (see below), whose sum is σ = 46807572. Its totient is φ = 40120752.

The previous prime is 43464133. The next prime is 43464167. The reversal of 43464161 is 16146434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 39929761 = 1880^2 + 6319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43464161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43464167) 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, 1671686 + ... + 1671711.

It is an arithmetic number, because the mean of its divisors is an integer number (11701893).

Almost surely, 2^43464161 is an apocalyptic number.

It is an amenable number.

43464161 is a deficient number, since it is larger than the sum of its proper divisors (3343411).

43464161 is a wasteful number, since it uses less digits than its factorization.

43464161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343410.

The product of its digits is 6912, while the sum is 29.

The square root of 43464161 is about 6592.7354717143. The cubic root of 43464161 is about 351.5958715357.

The spelling of 43464161 in words is "forty-three million, four hundred sixty-four thousand, one hundred sixty-one".