1040144459 has 2 divisors, whose sum is σ = 1040144460. Its totient is φ = 1040144458.

The previous prime is 1040144431. The next prime is 1040144461. The reversal of 1040144459 is 9544410401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040144459 - 2²⁴ = 1023367243 is a prime.

Together with 1040144461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1040144419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520072229 + 520072230.

It is an arithmetic number, because the mean of its divisors is an integer number (520072230).

Almost surely, 2^1040144459 is an apocalyptic number.

1040144459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040144459 is an equidigital number, since it uses as much as digits as its factorization.

1040144459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1040144459 is about 32251.2706571385. The cubic root of 1040144459 is about 1013.2063119029.

The spelling of 1040144459 in words is "one billion, forty million, one hundred forty-four thousand, four hundred fifty-nine".