40103143 has 8 divisors (see below), whose sum is σ = 42072480. Its totient is φ = 38172960.

The previous prime is 40103113. The next prime is 40103179. The reversal of 40103143 is 34130104.

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 40103143 - 2⁵ = 40103111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7680 + ... + 11797.

It is an arithmetic number, because the mean of its divisors is an integer number (5259060).

Almost surely, 2^40103143 is an apocalyptic number.

40103143 is a deficient number, since it is larger than the sum of its proper divisors (1969337).

40103143 is a wasteful number, since it uses less digits than its factorization.

40103143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577.

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

The square root of 40103143 is about 6332.7042406858. The cubic root of 40103143 is about 342.2888904515.

Adding to 40103143 its reverse (34130104), we get a palindrome (74233247).

The spelling of 40103143 in words is "forty million, one hundred three thousand, one hundred forty-three".