43113442 has 8 divisors (see below), whose sum is σ = 64726956. Its totient is φ = 21537792.

The previous prime is 43113409. The next prime is 43113443. The reversal of 43113442 is 24431134.

It can be written as a sum of positive squares in 2 ways, for example, as 41718681 + 1394761 = 6459^2 + 1181^2 .

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

It is not an unprimeable number, because it can be changed into a prime (43113443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6423 + ... + 11290.

Almost surely, 2^43113442 is an apocalyptic number.

43113442 is a deficient number, since it is larger than the sum of its proper divisors (21613514).

43113442 is a wasteful number, since it uses less digits than its factorization.

43113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932.

The product of its digits is 1152, while the sum is 22.

The square root of 43113442 is about 6566.0826982304. The cubic root of 43113442 is about 350.6476227006.

Adding to 43113442 its reverse (24431134), we get a palindrome (67544576).

The spelling of 43113442 in words is "forty-three million, one hundred thirteen thousand, four hundred forty-two".