2321445145 has 16 divisors (see below), whose sum is σ = 2834392320. Its totient is φ = 1824856704.

The previous prime is 2321445127. The next prime is 2321445163. The reversal of 2321445145 is 5415441232.

It is an interprime number because it is at equal distance from previous prime (2321445127) and next prime (2321445163).

It is a cyclic number.

It is not a de Polignac number, because 2321445145 - 2⁷ = 2321445017 is a prime.

It is a super-2 number, since 2×2321445145² = 10778215122488142050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128544 + ... + 145486.

It is an arithmetic number, because the mean of its divisors is an integer number (177149520).

Almost surely, 2^2321445145 is an apocalyptic number.

It is an amenable number.

2321445145 is a deficient number, since it is larger than the sum of its proper divisors (512947175).

2321445145 is a wasteful number, since it uses less digits than its factorization.

2321445145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17424.

The product of its digits is 19200, while the sum is 31.

The square root of 2321445145 is about 48181.3775747435. The cubic root of 2321445145 is about 1324.0960051914.

Adding to 2321445145 its reverse (5415441232), we get a palindrome (7736886377).

The spelling of 2321445145 in words is "two billion, three hundred twenty-one million, four hundred forty-five thousand, one hundred forty-five".