145456317233 has 8 divisors (see below), whose sum is σ = 150710537280. Its totient is φ = 140217996240.

The previous prime is 145456317199. The next prime is 145456317247. The reversal of 145456317233 is 332713654541.

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 145456317233 - 2²⁴ = 145439540017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145456317283) 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, 3956135 + ... + 3992732.

It is an arithmetic number, because the mean of its divisors is an integer number (18838817160).

Almost surely, 2^145456317233 is an apocalyptic number.

It is an amenable number.

145456317233 is a deficient number, since it is larger than the sum of its proper divisors (5254220047).

145456317233 is an equidigital number, since it uses as much as digits as its factorization.

145456317233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949527.

The product of its digits is 907200, while the sum is 44.

The spelling of 145456317233 in words is "one hundred forty-five billion, four hundred fifty-six million, three hundred seventeen thousand, two hundred thirty-three".