144791456 has 12 divisors (see below), whose sum is σ = 285058242. Its totient is φ = 72395712.

The previous prime is 144791453. The next prime is 144791467. The reversal of 144791456 is 654197441.

It can be written as a sum of positive squares in only one way, i.e., 85747600 + 59043856 = 9260^2 + 7684^2 .

It is not an unprimeable number, because it can be changed into a prime (144791453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262335 + ... + 2262398.

Almost surely, 2^144791456 is an apocalyptic number.

144791456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144791456 is a deficient number, since it is larger than the sum of its proper divisors (140266786).

144791456 is an equidigital number, since it uses as much as digits as its factorization.

144791456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524743 (or 4524735 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 144791456 is about 12032.9321447434. The cubic root of 144791456 is about 525.1068033655.

The spelling of 144791456 in words is "one hundred forty-four million, seven hundred ninety-one thousand, four hundred fifty-six".