145332328 has 8 divisors (see below), whose sum is σ = 272498130. Its totient is φ = 72666160.

The previous prime is 145332277. The next prime is 145332329. The reversal of 145332328 is 823233541.

It can be written as a sum of positive squares in only one way, i.e., 97970404 + 47361924 = 9898^2 + 6882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145332328² = 42242971123799168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145332328.

It is not an unprimeable number, because it can be changed into a prime (145332329) by changing a digit.

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 as a sum of consecutive naturals, namely, 9083263 + ... + 9083278.

Almost surely, 2^145332328 is an apocalyptic number.

It is an amenable number.

145332328 is a deficient number, since it is larger than the sum of its proper divisors (127165802).

145332328 is a wasteful number, since it uses less digits than its factorization.

145332328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166547 (or 18166543 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 145332328 is about 12055.3858503160. The cubic root of 145332328 is about 525.7598406322.

Adding to 145332328 its reverse (823233541), we get a palindrome (968565869).

It can be divided in two parts, 14533 and 2328, that added together give a palindrome (16861).

The spelling of 145332328 in words is "one hundred forty-five million, three hundred thirty-two thousand, three hundred twenty-eight".