145513323 has 6 divisors (see below), whose sum is σ = 210185924. Its totient is φ = 97008876.

The previous prime is 145513301. The next prime is 145513331. The reversal of 145513323 is 323315541.

145513323 is a `hidden beast` number, since 145 + 513 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 145513323 - 2¹³ = 145505131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145511323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8084065 + ... + 8084082.

Almost surely, 2^145513323 is an apocalyptic number.

145513323 is a deficient number, since it is larger than the sum of its proper divisors (64672601).

145513323 is a wasteful number, since it uses less digits than its factorization.

145513323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16168153 (or 16168150 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 145513323 is about 12062.8903252910. The cubic root of 145513323 is about 525.9780082561.

Adding to 145513323 its reverse (323315541), we get a palindrome (468828864).

The spelling of 145513323 in words is "one hundred forty-five million, five hundred thirteen thousand, three hundred twenty-three".