43464945 has 32 divisors (see below), whose sum is σ = 72290304. Its totient is φ = 22276800.

The previous prime is 43464919. The next prime is 43464947. The reversal of 43464945 is 54946434.

It is not a de Polignac number, because 43464945 - 2⁸ = 43464689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43464947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97894 + ... + 98336.

It is an arithmetic number, because the mean of its divisors is an integer number (2259072).

Almost surely, 2^43464945 is an apocalyptic number.

It is an amenable number.

43464945 is a deficient number, since it is larger than the sum of its proper divisors (28825359).

43464945 is a wasteful number, since it uses less digits than its factorization.

43464945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its digits is 207360, while the sum is 39.

The square root of 43464945 is about 6592.7949308317. The cubic root of 43464945 is about 351.5979855341.

The spelling of 43464945 in words is "forty-three million, four hundred sixty-four thousand, nine hundred forty-five".