145912323 has 4 divisors (see below), whose sum is σ = 194549768. Its totient is φ = 97274880.

The previous prime is 145912321. The next prime is 145912379. The reversal of 145912323 is 323219541.

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

It is not a de Polignac number, because 145912323 - 2¹ = 145912321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145912321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24318718 + ... + 24318723.

It is an arithmetic number, because the mean of its divisors is an integer number (48637442).

Almost surely, 2^145912323 is an apocalyptic number.

145912323 is a deficient number, since it is larger than the sum of its proper divisors (48637445).

145912323 is an equidigital number, since it uses as much as digits as its factorization.

145912323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48637444.

The product of its digits is 6480, while the sum is 30.

The square root of 145912323 is about 12079.4173286628. The cubic root of 145912323 is about 526.4583163925.

The spelling of 145912323 in words is "one hundred forty-five million, nine hundred twelve thousand, three hundred twenty-three".