145808324 has 6 divisors (see below), whose sum is σ = 255164574. Its totient is φ = 72904160.

The previous prime is 145808323. The next prime is 145808357. The reversal of 145808324 is 423808541.

It can be written as a sum of positive squares in only one way, i.e., 96668224 + 49140100 = 9832^2 + 7010^2 .

It is not an unprimeable number, because it can be changed into a prime (145808323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18226037 + ... + 18226044.

It is an arithmetic number, because the mean of its divisors is an integer number (42527429).

Almost surely, 2^145808324 is an apocalyptic number.

It is an amenable number.

145808324 is a deficient number, since it is larger than the sum of its proper divisors (109356250).

145808324 is a wasteful number, since it uses less digits than its factorization.

145808324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36452085 (or 36452083 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 145808324 is about 12075.1117593172. Note that the first 3 decimals coincide. The cubic root of 145808324 is about 526.3332089526. Note that the first 3 decimals are identical.

The spelling of 145808324 in words is "one hundred forty-five million, eight hundred eight thousand, three hundred twenty-four".