2257154143 has 4 divisors (see below), whose sum is σ = 2267851768. Its totient is φ = 2246456520.

The previous prime is 2257154111. The next prime is 2257154171. The reversal of 2257154143 is 3414517522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257154143 - 2⁵ = 2257154111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2257154099 and 2257154108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257152143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5348496 + ... + 5348917.

It is an arithmetic number, because the mean of its divisors is an integer number (566962942).

Almost surely, 2^2257154143 is an apocalyptic number.

2257154143 is a deficient number, since it is larger than the sum of its proper divisors (10697625).

2257154143 is a wasteful number, since it uses less digits than its factorization.

2257154143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10697624.

The product of its digits is 33600, while the sum is 34.

The square root of 2257154143 is about 47509.5163414657. The cubic root of 2257154143 is about 1311.7580542897.

The spelling of 2257154143 in words is "two billion, two hundred fifty-seven million, one hundred fifty-four thousand, one hundred forty-three".