2103005142 has 48 divisors (see below), whose sum is σ = 5213269152. Its totient is φ = 600186240.

The previous prime is 2103005137. The next prime is 2103005143. The reversal of 2103005142 is 2415003012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103005143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109698 + ... + 127434.

It is an arithmetic number, because the mean of its divisors is an integer number (108609774).

Almost surely, 2^2103005142 is an apocalyptic number.

2103005142 is an abundant number, since it is smaller than the sum of its proper divisors (3110264010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103005142 is a wasteful number, since it uses less digits than its factorization.

2103005142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18693 (or 18690 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2103005142 is about 45858.5340149464. The cubic root of 2103005142 is about 1281.1897186408.

Adding to 2103005142 its reverse (2415003012), we get a palindrome (4518008154).

The spelling of 2103005142 in words is "two billion, one hundred three million, five thousand, one hundred forty-two".