144728448 has 32 divisors (see below), whose sum is σ = 384435960. Its totient is φ = 48242688.

The previous prime is 144728447. The next prime is 144728449. The reversal of 144728448 is 844827441.

It is an interprime number because it is at equal distance from previous prime (144728447) and next prime (144728449).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144728447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188065 + ... + 188832.

Almost surely, 2^144728448 is an apocalyptic number.

It is an amenable number.

144728448 is an abundant number, since it is smaller than the sum of its proper divisors (239707512).

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

144728448 is an equidigital number, since it uses as much as digits as its factorization.

144728448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376914 (or 376902 counting only the distinct ones).

The product of its digits is 229376, while the sum is 42.

The square root of 144728448 is about 12030.3137116203. The cubic root of 144728448 is about 525.0306231570.

The spelling of 144728448 in words is "one hundred forty-four million, seven hundred twenty-eight thousand, four hundred forty-eight".