145511323 has 2 divisors, whose sum is σ = 145511324. Its totient is φ = 145511322.

The previous prime is 145511321. The next prime is 145511339. The reversal of 145511323 is 323115541.

It is a happy number.

145511323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145511323 - 2¹ = 145511321 is a prime.

Together with 145511321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145511321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72755661 + 72755662.

It is an arithmetic number, because the mean of its divisors is an integer number (72755662).

Almost surely, 2^145511323 is an apocalyptic number.

145511323 is a deficient number, since it is larger than the sum of its proper divisors (1).

145511323 is an equidigital number, since it uses as much as digits as its factorization.

145511323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 145511323 is about 12062.8074261343. The cubic root of 145511323 is about 525.9755984863.

Adding to 145511323 its reverse (323115541), we get a palindrome (468626864).

The spelling of 145511323 in words is "one hundred forty-five million, five hundred eleven thousand, three hundred twenty-three".