144486272 has 96 divisors (see below), whose sum is σ = 340716720. Its totient is φ = 59774976.

The previous prime is 144486263. The next prime is 144486283. The reversal of 144486272 is 272684441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1979228 + ... + 1979300.

Almost surely, 2^144486272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144486272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170358360).

144486272 is an abundant number, since it is smaller than the sum of its proper divisors (196230448).

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

144486272 is an frugal number, since it uses more digits than its factorization.

144486272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 129 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 144486272 is about 12020.2442570856. The cubic root of 144486272 is about 524.7376128000.

The spelling of 144486272 in words is "one hundred forty-four million, four hundred eighty-six thousand, two hundred seventy-two".