145320314 has 4 divisors (see below), whose sum is σ = 217980474. Its totient is φ = 72660156.

The previous prime is 145320289. The next prime is 145320317. The reversal of 145320314 is 413023541.

145320314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144408289 + 912025 = 12017^2 + 955^2 .

It is a super-2 number, since 2×145320314² = 42235987322117192, 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 145320314.

It is not an unprimeable number, because it can be changed into a prime (145320317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36330077 + ... + 36330080.

Almost surely, 2^145320314 is an apocalyptic number.

145320314 is a deficient number, since it is larger than the sum of its proper divisors (72660160).

145320314 is an equidigital number, since it uses as much as digits as its factorization.

145320314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72660159.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 145320314 is about 12054.8875565059. The cubic root of 145320314 is about 525.7453527963.

Adding to 145320314 its reverse (413023541), we get a palindrome (558343855).

The spelling of 145320314 in words is "one hundred forty-five million, three hundred twenty thousand, three hundred fourteen".