40143103 has 48 divisors (see below), whose sum is σ = 58260384. Its totient is φ = 27095040.

The previous prime is 40143097. The next prime is 40143107. The reversal of 40143103 is 30134104.

It is not a de Polignac number, because 40143103 - 2⁹ = 40142591 is a prime.

It is a super-2 number, since 2×40143103² = 3222937436937218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118951 + ... + 119287.

It is an arithmetic number, because the mean of its divisors is an integer number (1213758).

Almost surely, 2^40143103 is an apocalyptic number.

40143103 is a deficient number, since it is larger than the sum of its proper divisors (18117281).

40143103 is a wasteful number, since it uses less digits than its factorization.

40143103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40143103 is about 6335.8585053645. The cubic root of 40143103 is about 342.4025417561.

Adding to 40143103 its reverse (30134104), we get a palindrome (70277207).

It can be divided in two parts, 4014 and 3103, that added together give a palindrome (7117).

The spelling of 40143103 in words is "forty million, one hundred forty-three thousand, one hundred three".