145438324 has 6 divisors (see below), whose sum is σ = 254517074. Its totient is φ = 72719160.

The previous prime is 145438313. The next prime is 145438333. The reversal of 145438324 is 423834541.

145438324 is digitally balanced in base 2, because in such base 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., 110628324 + 34810000 = 10518^2 + 5900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145438324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18179787 + ... + 18179794.

Almost surely, 2^145438324 is an apocalyptic number.

It is an amenable number.

145438324 is a deficient number, since it is larger than the sum of its proper divisors (109078750).

145438324 is a wasteful number, since it uses less digits than its factorization.

145438324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36359585 (or 36359583 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 145438324 is about 12059.7812583811. The cubic root of 145438324 is about 525.8876279779.

The spelling of 145438324 in words is "one hundred forty-five million, four hundred thirty-eight thousand, three hundred twenty-four".