2257143132 has 12 divisors (see below), whose sum is σ = 5266667336. Its totient is φ = 752381040.

The previous prime is 2257143127. The next prime is 2257143173. The reversal of 2257143132 is 2313417522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2257143132.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94047619 + ... + 94047642.

Almost surely, 2^2257143132 is an apocalyptic number.

It is an amenable number.

2257143132 is an abundant number, since it is smaller than the sum of its proper divisors (3009524204).

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

2257143132 is a wasteful number, since it uses less digits than its factorization.

2257143132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188095268 (or 188095266 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 2257143132 is about 47509.4004592775. The cubic root of 2257143132 is about 1311.7559212510.

It can be divided in two parts, 22571 and 43132, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 2257143132 in words is "two billion, two hundred fifty-seven million, one hundred forty-three thousand, one hundred thirty-two".