43363945 has 4 divisors (see below), whose sum is σ = 52036740. Its totient is φ = 34691152.

The previous prime is 43363933. The next prime is 43363967. The reversal of 43363945 is 54936334.

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 31674384 + 11689561 = 5628^2 + 3419^2 .

It is a cyclic number.

It is not a de Polignac number, because 43363945 - 2¹⁵ = 43331177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4336390 + ... + 4336399.

It is an arithmetic number, because the mean of its divisors is an integer number (13009185).

Almost surely, 2^43363945 is an apocalyptic number.

It is an amenable number.

43363945 is a deficient number, since it is larger than the sum of its proper divisors (8672795).

43363945 is an equidigital number, since it uses as much as digits as its factorization.

43363945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672794.

The product of its digits is 116640, while the sum is 37.

The square root of 43363945 is about 6585.1305985531. The cubic root of 43363945 is about 351.3254368693.

It can be divided in two parts, 4336 and 3945, that added together give a square (8281 = 91²).

The spelling of 43363945 in words is "forty-three million, three hundred sixty-three thousand, nine hundred forty-five".