144454416 has 40 divisors (see below), whose sum is σ = 392817120. Its totient is φ = 45616896.

The previous prime is 144454403. The next prime is 144454417. The reversal of 144454416 is 614454441.

It is not an unprimeable number, because it can be changed into a prime (144454417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78285 + ... + 80108.

It is an arithmetic number, because the mean of its divisors is an integer number (9820428).

Almost surely, 2^144454416 is an apocalyptic number.

144454416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144454416 is an abundant number, since it is smaller than the sum of its proper divisors (248362704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144454416 is a wasteful number, since it uses less digits than its factorization.

144454416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158423 (or 158417 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 144454416 is about 12018.9190861741. The cubic root of 144454416 is about 524.6990456526.

The spelling of 144454416 in words is "one hundred forty-four million, four hundred fifty-four thousand, four hundred sixteen".