144554232 has 16 divisors (see below), whose sum is σ = 361385640. Its totient is φ = 48184736.

The previous prime is 144554173. The next prime is 144554237. The reversal of 144554232 is 232455441.

It is a self number, because there is not a number n which added to its sum of digits gives 144554232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144554237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011523 + ... + 3011570.

Almost surely, 2^144554232 is an apocalyptic number.

144554232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144554232 is an abundant number, since it is smaller than the sum of its proper divisors (216831408).

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

144554232 is a wasteful number, since it uses less digits than its factorization.

144554232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023102 (or 6023098 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 144554232 is about 12023.0708223814. The cubic root of 144554232 is about 524.8198710842.

The spelling of 144554232 in words is "one hundred forty-four million, five hundred fifty-four thousand, two hundred thirty-two".