144551332 has 6 divisors (see below), whose sum is σ = 252964838. Its totient is φ = 72275664.

The previous prime is 144551327. The next prime is 144551339. The reversal of 144551332 is 233155441.

144551332 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 101727396 + 42823936 = 10086^2 + 6544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144551332.

It is not an unprimeable number, because it can be changed into a prime (144551339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18068913 + ... + 18068920.

Almost surely, 2^144551332 is an apocalyptic number.

It is an amenable number.

144551332 is a deficient number, since it is larger than the sum of its proper divisors (108413506).

144551332 is a wasteful number, since it uses less digits than its factorization.

144551332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36137837 (or 36137835 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 144551332 is about 12022.9502203078. The cubic root of 144551332 is about 524.8163614722.

The spelling of 144551332 in words is "one hundred forty-four million, five hundred fifty-one thousand, three hundred thirty-two".