2145503045 has 8 divisors (see below), whose sum is σ = 2942404224. Its totient is φ = 1471202064.

The previous prime is 2145503033. The next prime is 2145503051. The reversal of 2145503045 is 5403055412.

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 2145503045 - 2⁴ = 2145503029 is a prime.

It is a super-2 number, since 2×2145503045² = 9206366632208544050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2145502999 and 2145503017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30650009 + ... + 30650078.

It is an arithmetic number, because the mean of its divisors is an integer number (367800528).

Almost surely, 2^2145503045 is an apocalyptic number.

It is an amenable number.

2145503045 is a deficient number, since it is larger than the sum of its proper divisors (796901179).

2145503045 is an equidigital number, since it uses as much as digits as its factorization.

2145503045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61300099.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2145503045 is about 46319.5751815580. The cubic root of 2145503045 is about 1289.7623994023.

Adding to 2145503045 its reverse (5403055412), we get a palindrome (7548558457).

The spelling of 2145503045 in words is "two billion, one hundred forty-five million, five hundred three thousand, forty-five".