144453430 has 32 divisors (see below), whose sum is σ = 286024608. Its totient is φ = 52523680.

The previous prime is 144453391. The next prime is 144453431. The reversal of 144453430 is 34354441.

144453430 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144453431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7884 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (8938269).

Almost surely, 2^144453430 is an apocalyptic number.

144453430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144453430 is a deficient number, since it is larger than the sum of its proper divisors (141571178).

144453430 is a wasteful number, since it uses less digits than its factorization.

144453430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10893 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 144453430 is about 12018.8780674404. The cubic root of 144453430 is about 524.6978518401.

The spelling of 144453430 in words is "one hundred forty-four million, four hundred fifty-three thousand, four hundred thirty".