43426045 has 8 divisors (see below), whose sum is σ = 56119896. Its totient is φ = 32068416.

The previous prime is 43425997. The next prime is 43426081. The reversal of 43426045 is 54062434.

It can be written as a sum of positive squares in 4 ways, for example, as 248004 + 43178041 = 498^2 + 6571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43426045 - 2¹³ = 43417853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333982 + ... + 334111.

It is an arithmetic number, because the mean of its divisors is an integer number (7014987).

Almost surely, 2^43426045 is an apocalyptic number.

It is an amenable number.

43426045 is a deficient number, since it is larger than the sum of its proper divisors (12693851).

43426045 is a wasteful number, since it uses less digits than its factorization.

43426045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668111.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 43426045 is about 6589.8440800978. The cubic root of 43426045 is about 351.4930638637.

Adding to 43426045 its reverse (54062434), we get a palindrome (97488479).

The spelling of 43426045 in words is "forty-three million, four hundred twenty-six thousand, forty-five".