144453144 has 32 divisors (see below), whose sum is σ = 393963840. Its totient is φ = 43773600.

The previous prime is 144453107. The next prime is 144453151. The reversal of 144453144 is 441354441.

It is a super-2 number, since 2×144453144² = 41733421622969472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 273322 + ... + 273849.

It is an arithmetic number, because the mean of its divisors is an integer number (12311370).

Almost surely, 2^144453144 is an apocalyptic number.

It is an amenable number.

144453144 is an abundant number, since it is smaller than the sum of its proper divisors (249510696).

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

144453144 is a wasteful number, since it uses less digits than its factorization.

144453144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547191 (or 547187 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 144453144 is about 12018.8661694854. The cubic root of 144453144 is about 524.6975055609.

The spelling of 144453144 in words is "one hundred forty-four million, four hundred fifty-three thousand, one hundred forty-four".