1442159 has 2 divisors, whose sum is σ = 1442160. Its totient is φ = 1442158.

The previous prime is 1442143. The next prime is 1442173. The reversal of 1442159 is 9512441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442159 - 2⁴ = 1442143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721079 + 721080.

It is an arithmetic number, because the mean of its divisors is an integer number (721080).

2^1442159 is an apocalyptic number.

1442159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442159 is an equidigital number, since it uses as much as digits as its factorization.

1442159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 1442159 is about 1200.8992463983. The cubic root of 1442159 is about 112.9807313061.

The spelling of 1442159 in words is "one million, four hundred forty-two thousand, one hundred fifty-nine".