2145430513 has 8 divisors (see below), whose sum is σ = 2189592000. Its totient is φ = 2101405488.

The previous prime is 2145430489. The next prime is 2145430523. The reversal of 2145430513 is 3150345412.

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-2145430513 is a prime.

It is a super-2 number, since 2×2145430513² = 9205744172222886338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145430523) 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, 2043 + ... + 65536.

It is an arithmetic number, because the mean of its divisors is an integer number (273699000).

Almost surely, 2^2145430513 is an apocalyptic number.

It is an amenable number.

2145430513 is a deficient number, since it is larger than the sum of its proper divisors (44161487).

2145430513 is an equidigital number, since it uses as much as digits as its factorization.

2145430513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68231.

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

The square root of 2145430513 is about 46318.7922230276. The cubic root of 2145430513 is about 1289.7478651107.

Adding to 2145430513 its reverse (3150345412), we get a palindrome (5295775925).

The spelling of 2145430513 in words is "two billion, one hundred forty-five million, four hundred thirty thousand, five hundred thirteen".