145732323 has 8 divisors (see below), whose sum is σ = 211974336. Its totient is φ = 88322600.

The previous prime is 145732319. The next prime is 145732339. The reversal of 145732323 is 323237541.

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

It is a cyclic number.

It is not a de Polignac number, because 145732323 - 2² = 145732319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145732123) 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, 2208033 + ... + 2208098.

It is an arithmetic number, because the mean of its divisors is an integer number (26496792).

Almost surely, 2^145732323 is an apocalyptic number.

145732323 is a deficient number, since it is larger than the sum of its proper divisors (66242013).

145732323 is a wasteful number, since it uses less digits than its factorization.

145732323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416145.

The product of its digits is 15120, while the sum is 30.

The square root of 145732323 is about 12071.9643389135. The cubic root of 145732323 is about 526.2417445759.

Adding to 145732323 its reverse (323237541), we get a palindrome (468969864).

The spelling of 145732323 in words is "one hundred forty-five million, seven hundred thirty-two thousand, three hundred twenty-three".