144936459 has 20 divisors (see below), whose sum is σ = 217782576. Its totient is φ = 96056496.

The previous prime is 144936457. The next prime is 144936487. The reversal of 144936459 is 954639441.

It is not a de Polignac number, because 144936459 - 2¹ = 144936457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144936457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8842 + ... + 19184.

Almost surely, 2^144936459 is an apocalyptic number.

144936459 is a deficient number, since it is larger than the sum of its proper divisors (72846117).

144936459 is a wasteful number, since it uses less digits than its factorization.

144936459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528 (or 10519 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 144936459 is about 12038.9558932658. The cubic root of 144936459 is about 525.2820362148.

The spelling of 144936459 in words is "one hundred forty-four million, nine hundred thirty-six thousand, four hundred fifty-nine".