2103146245 has 8 divisors (see below), whose sum is σ = 2672232984. Its totient is φ = 1583545344.

The previous prime is 2103146239. The next prime is 2103146251. The reversal of 2103146245 is 5426413012.

It is an interprime number because it is at equal distance from previous prime (2103146239) and next prime (2103146251).

It can be written as a sum of positive squares in 4 ways, for example, as 132319009 + 1970827236 = 11503^2 + 44394^2 .

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 2103146245 - 2⁷ = 2103146117 is a prime.

It is a Duffinian number.

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, 12371364 + ... + 12371533.

It is an arithmetic number, because the mean of its divisors is an integer number (334029123).

Almost surely, 2^2103146245 is an apocalyptic number.

It is an amenable number.

2103146245 is a deficient number, since it is larger than the sum of its proper divisors (569086739).

2103146245 is a wasteful number, since it uses less digits than its factorization.

2103146245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24742919.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2103146245 is about 45860.0724486999. The cubic root of 2103146245 is about 1281.2183721877.

Adding to 2103146245 its reverse (5426413012), we get a palindrome (7529559257).

It can be divided in two parts, 21031 and 46245, that added together give a palindrome (67276).

The spelling of 2103146245 in words is "two billion, one hundred three million, one hundred forty-six thousand, two hundred forty-five".