144007456 has 12 divisors (see below), whose sum is σ = 283514742. Its totient is φ = 72003712.

The previous prime is 144007447. The next prime is 144007463. The reversal of 144007456 is 654700441.

It can be written as a sum of positive squares in only one way, i.e., 141991056 + 2016400 = 11916^2 + 1420^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2250085 + ... + 2250148.

Almost surely, 2^144007456 is an apocalyptic number.

144007456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144007456 is a deficient number, since it is larger than the sum of its proper divisors (139507286).

144007456 is an equidigital number, since it uses as much as digits as its factorization.

144007456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500243 (or 4500235 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 144007456 is about 12000.3106626454. The cubic root of 144007456 is about 524.1573250967.

Adding to 144007456 its reverse (654700441), we get a palindrome (798707897).

The spelling of 144007456 in words is "one hundred forty-four million, seven thousand, four hundred fifty-six".