40772143 has 2 divisors, whose sum is σ = 40772144. Its totient is φ = 40772142.

The previous prime is 40772141. The next prime is 40772167. The reversal of 40772143 is 34127704.

40772143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40772143 - 2¹ = 40772141 is a prime.

It is a super-3 number, since 3×40772143³ (a number of 24 digits) contains 333 as substring.

Together with 40772141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40772141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20386071 + 20386072.

It is an arithmetic number, because the mean of its divisors is an integer number (20386072).

Almost surely, 2^40772143 is an apocalyptic number.

40772143 is a deficient number, since it is larger than the sum of its proper divisors (1).

40772143 is an equidigital number, since it uses as much as digits as its factorization.

40772143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 40772143 is about 6385.3068054714. The cubic root of 40772143 is about 344.1817561902.

Adding to 40772143 its reverse (34127704), we get a palindrome (74899847).

The spelling of 40772143 in words is "forty million, seven hundred seventy-two thousand, one hundred forty-three".