40543159 has 2 divisors, whose sum is σ = 40543160. Its totient is φ = 40543158.

The previous prime is 40543141. The next prime is 40543171. The reversal of 40543159 is 95134504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40543159 - 2⁵ = 40543127 is a prime.

It is a Chen prime.

It is equal to p_2464726 and since 40543159 and 2464726 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40543159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40543199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20271579 + 20271580.

It is an arithmetic number, because the mean of its divisors is an integer number (20271580).

Almost surely, 2^40543159 is an apocalyptic number.

40543159 is a deficient number, since it is larger than the sum of its proper divisors (1).

40543159 is an equidigital number, since it uses as much as digits as its factorization.

40543159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 40543159 is about 6367.3510190659. The cubic root of 40543159 is about 343.5362164275.

The spelling of 40543159 in words is "forty million, five hundred forty-three thousand, one hundred fifty-nine".