14457440 has 24 divisors (see below), whose sum is σ = 34156080. Its totient is φ = 5782912.

The previous prime is 14457413. The next prime is 14457449. The reversal of 14457440 is 4475441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14457449) 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 in 3 ways as a sum of consecutive naturals, for example, 45020 + ... + 45339.

It is an arithmetic number, because the mean of its divisors is an integer number (1423170).

Almost surely, 2^14457440 is an apocalyptic number.

14457440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14457440 is an abundant number, since it is smaller than the sum of its proper divisors (19698640).

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

14457440 is an equidigital number, since it uses as much as digits as its factorization.

14457440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90374 (or 90366 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 14457440 is about 3802.2940443895. The cubic root of 14457440 is about 243.6111337004.

The spelling of 14457440 in words is "fourteen million, four hundred fifty-seven thousand, four hundred forty".