43142065 has 16 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 32372352.

The previous prime is 43142063. The next prime is 43142069. The reversal of 43142065 is 56024134.

It is not a de Polignac number, because 43142065 - 2¹ = 43142063 is a prime.

It is a super-2 number, since 2×43142065² = 3722475544928450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43142063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7581 + ... + 11989.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^43142065 is an apocalyptic number.

It is an amenable number.

43142065 is a deficient number, since it is larger than the sum of its proper divisors (11894735).

43142065 is a wasteful number, since it uses less digits than its factorization.

43142065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 43142065 is about 6568.2619466644. The cubic root of 43142065 is about 350.7252038150.

Adding to 43142065 its reverse (56024134), we get a palindrome (99166199).

The spelling of 43142065 in words is "forty-three million, one hundred forty-two thousand, sixty-five".