145044323 has 4 divisors (see below), whose sum is σ = 153576360. Its totient is φ = 136512288.

The previous prime is 145044313. The next prime is 145044337. The reversal of 145044323 is 323440541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323440541 = 4591 ⋅70451.

It is a cyclic number.

It is not a de Polignac number, because 145044323 - 2⁶ = 145044259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145044292 and 145044301.

It is not an unprimeable number, because it can be changed into a prime (145044313) 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 in 3 ways as a sum of consecutive naturals, for example, 4265993 + ... + 4266026.

It is an arithmetic number, because the mean of its divisors is an integer number (38394090).

Almost surely, 2^145044323 is an apocalyptic number.

145044323 is a deficient number, since it is larger than the sum of its proper divisors (8532037).

145044323 is an equidigital number, since it uses as much as digits as its factorization.

145044323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532036.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 145044323 is about 12043.4348505732. The cubic root of 145044323 is about 525.4123116294.

Adding to 145044323 its reverse (323440541), we get a palindrome (468484864).

The spelling of 145044323 in words is "one hundred forty-five million, forty-four thousand, three hundred twenty-three".