2103545245 has 8 divisors (see below), whose sum is σ = 2556207360. Its totient is φ = 1661534160.

The previous prime is 2103545239. The next prime is 2103545263. The reversal of 2103545245 is 5425453012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2103545245 - 2³ = 2103545237 is a prime.

It is a super-2 number, since 2×2103545245² = 8849805195524220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2662321 + ... + 2663110.

It is an arithmetic number, because the mean of its divisors is an integer number (319525920).

Almost surely, 2^2103545245 is an apocalyptic number.

It is an amenable number.

2103545245 is a deficient number, since it is larger than the sum of its proper divisors (452662115).

2103545245 is an equidigital number, since it uses as much as digits as its factorization.

2103545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325515.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2103545245 is about 45864.4224317717. The cubic root of 2103545245 is about 1281.2993895060.

Adding to 2103545245 its reverse (5425453012), we get a palindrome (7528998257).

The spelling of 2103545245 in words is "two billion, one hundred three million, five hundred forty-five thousand, two hundred forty-five".