40453143 has 8 divisors (see below), whose sum is σ = 54098928. Its totient is φ = 26888064.

The previous prime is 40453141. The next prime is 40453157. The reversal of 40453143 is 34135404.

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

It is not a de Polignac number, because 40453143 - 2¹ = 40453141 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18996 + ... + 21017.

It is an arithmetic number, because the mean of its divisors is an integer number (6762366).

Almost surely, 2^40453143 is an apocalyptic number.

40453143 is a deficient number, since it is larger than the sum of its proper divisors (13645785).

40453143 is a wasteful number, since it uses less digits than its factorization.

40453143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40353.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40453143 is about 6360.2785316368. The cubic root of 40453143 is about 343.2817824592.

Adding to 40453143 its reverse (34135404), we get a palindrome (74588547).

The spelling of 40453143 in words is "forty million, four hundred fifty-three thousand, one hundred forty-three".