43145103 has 4 divisors (see below), whose sum is σ = 57526808. Its totient is φ = 28763400.

The previous prime is 43145101. The next prime is 43145131. The reversal of 43145103 is 30154134.

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

It is not a de Polignac number, because 43145103 - 2¹ = 43145101 is a prime.

It is a super-2 number, since 2×43145103² = 3722999825761218, 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 43145103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43145101) 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, 7190848 + ... + 7190853.

It is an arithmetic number, because the mean of its divisors is an integer number (14381702).

Almost surely, 2^43145103 is an apocalyptic number.

43145103 is a deficient number, since it is larger than the sum of its proper divisors (14381705).

43145103 is a wasteful number, since it uses less digits than its factorization.

43145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14381704.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 43145103 is about 6568.4932062080. The cubic root of 43145103 is about 350.7334361373.

Adding to 43145103 its reverse (30154134), we get a palindrome (73299237).

The spelling of 43145103 in words is "forty-three million, one hundred forty-five thousand, one hundred three".