2152143100 has 18 divisors (see below), whose sum is σ = 4670150744. Its totient is φ = 860857200.

The previous prime is 2152143061. The next prime is 2152143107. The reversal of 2152143100 is 13412512.

It is a super-2 number, since 2×2152143100² = 9263439845755220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152143107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10760616 + ... + 10760815.

Almost surely, 2^2152143100 is an apocalyptic number.

2152143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152143100 is an abundant number, since it is smaller than the sum of its proper divisors (2518007644).

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

2152143100 is a wasteful number, since it uses less digits than its factorization.

2152143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21521445 (or 21521438 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2152143100 is about 46391.1963631032. The cubic root of 2152143100 is about 1291.0915785160.

Adding to 2152143100 its reverse (13412512), we get a palindrome (2165555612).

The spelling of 2152143100 in words is "two billion, one hundred fifty-two million, one hundred forty-three thousand, one hundred".