145040323 has 8 divisors (see below), whose sum is σ = 151550496. Its totient is φ = 138547200.

The previous prime is 145040303. The next prime is 145040341. The reversal of 145040323 is 323040541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145040323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145040294 and 145040303.

It is not an unprimeable number, because it can be changed into a prime (145040303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15043 + ... + 22723.

It is an arithmetic number, because the mean of its divisors is an integer number (18943812).

Almost surely, 2^145040323 is an apocalyptic number.

145040323 is a deficient number, since it is larger than the sum of its proper divisors (6510173).

145040323 is an equidigital number, since it uses as much as digits as its factorization.

145040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 145040323 is about 12043.2687838477. The cubic root of 145040323 is about 525.4074816838.

Adding to 145040323 its reverse (323040541), we get a palindrome (468080864).

The spelling of 145040323 in words is "one hundred forty-five million, forty thousand, three hundred twenty-three".