332320144 has 20 divisors (see below), whose sum is σ = 693399196. Its totient is φ = 153378432.

The previous prime is 332320117. The next prime is 332320151. The reversal of 332320144 is 441023233.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199148544 + 133171600 = 14112^2 + 11540^2 .

It is a super-2 number, since 2×332320144² = 220873356216361472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798639 + ... + 799054.

Almost surely, 2^332320144 is an apocalyptic number.

It is an amenable number.

332320144 is an abundant number, since it is smaller than the sum of its proper divisors (361079052).

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

332320144 is a wasteful number, since it uses less digits than its factorization.

332320144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597714 (or 1597708 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 332320144 is about 18229.6501337793. The cubic root of 332320144 is about 692.6580551271.

Adding to 332320144 its reverse (441023233), we get a palindrome (773343377).

The spelling of 332320144 in words is "three hundred thirty-two million, three hundred twenty thousand, one hundred forty-four".