144448730 has 16 divisors (see below), whose sum is σ = 260216064. Its totient is φ = 57733200.

The previous prime is 144448723. The next prime is 144448741. The reversal of 144448730 is 37844441.

144448730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144448730² = 41730871197225800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9155 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (16263504).

Almost surely, 2^144448730 is an apocalyptic number.

144448730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144448730 is a deficient number, since it is larger than the sum of its proper divisors (115767334).

144448730 is a wasteful number, since it uses less digits than its factorization.

144448730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 144448730 is about 12018.6825401123. The cubic root of 144448730 is about 524.6921611788.

The spelling of 144448730 in words is "one hundred forty-four million, four hundred forty-eight thousand, seven hundred thirty".