43601045 has 6 divisors (see below), whose sum is σ = 52338978. Its totient is φ = 34869024.

The previous prime is 43601023. The next prime is 43601053. The reversal of 43601045 is 54010634.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16467364 + 27133681 = 4058^2 + 5209^2 .

It is not a de Polignac number, because 43601045 - 2¹⁴ = 43584661 is a prime.

It is a super-2 number, since 2×43601045² = 3802102250184050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43601045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13289 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (8723163).

Almost surely, 2^43601045 is an apocalyptic number.

It is an amenable number.

43601045 is a deficient number, since it is larger than the sum of its proper divisors (8737933).

43601045 is an frugal number, since it uses more digits than its factorization.

43601045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 43601045 is about 6603.1087375569. The cubic root of 43601045 is about 351.9645846127.

Adding to 43601045 its reverse (54010634), we get a palindrome (97611679).

The spelling of 43601045 in words is "forty-three million, six hundred one thousand, forty-five".