43542341 has 4 divisors (see below), whose sum is σ = 43729452. Its totient is φ = 43355232.

The previous prime is 43542337. The next prime is 43542409. The reversal of 43542341 is 14324534.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18241441 + 25300900 = 4271^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 43542341 - 2² = 43542337 is a prime.

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 43542341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43542641) 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, 93206 + ... + 93671.

It is an arithmetic number, because the mean of its divisors is an integer number (10932363).

Almost surely, 2^43542341 is an apocalyptic number.

It is an amenable number.

43542341 is a deficient number, since it is larger than the sum of its proper divisors (187111).

43542341 is a wasteful number, since it uses less digits than its factorization.

43542341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187110.

The product of its digits is 5760, while the sum is 26.

The square root of 43542341 is about 6598.6620613576. The cubic root of 43542341 is about 351.8065531647.

Adding to 43542341 its reverse (14324534), we get a palindrome (57866875).

The spelling of 43542341 in words is "forty-three million, five hundred forty-two thousand, three hundred forty-one".