323451145 has 4 divisors (see below), whose sum is σ = 388141380. Its totient is φ = 258760912.

The previous prime is 323451131. The next prime is 323451199. The reversal of 323451145 is 541154323.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77933584 + 245517561 = 8828^2 + 15669^2 .

It is a cyclic number.

It is not a de Polignac number, because 323451145 - 2⁷ = 323451017 is a prime.

It is a super-2 number, since 2×323451145² = 209241286403622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32345110 + ... + 32345119.

It is an arithmetic number, because the mean of its divisors is an integer number (97035345).

Almost surely, 2^323451145 is an apocalyptic number.

It is an amenable number.

323451145 is a deficient number, since it is larger than the sum of its proper divisors (64690235).

323451145 is an equidigital number, since it uses as much as digits as its factorization.

323451145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64690234.

The product of its digits is 7200, while the sum is 28.

The square root of 323451145 is about 17984.7475656457. The cubic root of 323451145 is about 686.4404978535.

The spelling of 323451145 in words is "three hundred twenty-three million, four hundred fifty-one thousand, one hundred forty-five".