144461459 has 4 divisors (see below), whose sum is σ = 150742416. Its totient is φ = 138180504.

The previous prime is 144461423. The next prime is 144461477. The reversal of 144461459 is 954164441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954164441 = 6379 ⋅149579.

It is not a de Polignac number, because 144461459 - 2⁸ = 144461203 is a prime.

It is a super-2 number, since 2×144461459² = 41738226272817362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144461159) 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 in 3 ways as a sum of consecutive naturals, for example, 3140444 + ... + 3140489.

It is an arithmetic number, because the mean of its divisors is an integer number (37685604).

Almost surely, 2^144461459 is an apocalyptic number.

144461459 is a deficient number, since it is larger than the sum of its proper divisors (6280957).

144461459 is an equidigital number, since it uses as much as digits as its factorization.

144461459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280956.

The product of its digits is 69120, while the sum is 38.

The square root of 144461459 is about 12019.2120790009. The cubic root of 144461459 is about 524.7075728993.

The spelling of 144461459 in words is "one hundred forty-four million, four hundred sixty-one thousand, four hundred fifty-nine".