1415143 has 2 divisors, whose sum is σ = 1415144. Its totient is φ = 1415142.

The previous prime is 1415137. The next prime is 1415179. The reversal of 1415143 is 3415141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1415143 - 2⁹ = 1414631 is a prime.

1415143 is a lucky number.

It is equal to p₁₀₈₁₆₃ and since 1415143 and 108163 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 1415143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1416143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707571 + 707572.

It is an arithmetic number, because the mean of its divisors is an integer number (707572).

2^1415143 is an apocalyptic number.

1415143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415143 is an equidigital number, since it uses as much as digits as its factorization.

1415143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 1415143 is about 1189.5978312018. The cubic root of 1415143 is about 112.2707892838.

The spelling of 1415143 in words is "one million, four hundred fifteen thousand, one hundred forty-three".