2143245748 has 24 divisors (see below), whose sum is σ = 4287527552. Its totient is φ = 918311904.

The previous prime is 2143245739. The next prime is 2143245773. The reversal of 2143245748 is 8475423412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143245748.

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, 168790 + ... + 181042.

Almost surely, 2^2143245748 is an apocalyptic number.

2143245748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2143245748 is an abundant number, since it is smaller than the sum of its proper divisors (2144281804).

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

2143245748 is a wasteful number, since it uses less digits than its factorization.

2143245748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511 (or 18509 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 2143245748 is about 46295.2022136204. The cubic root of 2143245748 is about 1289.3099183514.

The spelling of 2143245748 in words is "two billion, one hundred forty-three million, two hundred forty-five thousand, seven hundred forty-eight".