2103830145 has 16 divisors (see below), whose sum is σ = 3740142720. Its totient is φ = 1122042672.

The previous prime is 2103830123. The next prime is 2103830147. The reversal of 2103830145 is 5410383012.

It is a happy number.

It is not a de Polignac number, because 2103830145 - 2⁷ = 2103830017 is a prime.

It is a super-2 number, since 2×2103830145² = 8852202558021442050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2103830147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791829 + ... + 7792098.

It is an arithmetic number, because the mean of its divisors is an integer number (233758920).

Almost surely, 2^2103830145 is an apocalyptic number.

It is an amenable number.

2103830145 is a deficient number, since it is larger than the sum of its proper divisors (1636312575).

2103830145 is a wasteful number, since it uses less digits than its factorization.

2103830145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15583941 (or 15583935 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2103830145 is about 45867.5282198638. The cubic root of 2103830145 is about 1281.3572324449.

The spelling of 2103830145 in words is "two billion, one hundred three million, eight hundred thirty thousand, one hundred forty-five".