43427145 has 16 divisors (see below), whose sum is σ = 69737472. Its totient is φ = 23076480.

The previous prime is 43427113. The next prime is 43427161. The reversal of 43427145 is 54172434.

It is not a de Polignac number, because 43427145 - 2⁵ = 43427113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (4358592).

Almost surely, 2^43427145 is an apocalyptic number.

It is an amenable number.

43427145 is a deficient number, since it is larger than the sum of its proper divisors (26310327).

43427145 is a wasteful number, since it uses less digits than its factorization.

43427145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592.

The product of its digits is 13440, while the sum is 30.

The square root of 43427145 is about 6589.9275413315. The cubic root of 43427145 is about 351.4960316611.

Adding to 43427145 its reverse (54172434), we get a palindrome (97599579).

The spelling of 43427145 in words is "forty-three million, four hundred twenty-seven thousand, one hundred forty-five".