254220315143 has 4 divisors (see below), whose sum is σ = 254339613528. Its totient is φ = 254101016760.

The previous prime is 254220315133. The next prime is 254220315157. The reversal of 254220315143 is 341513022452.

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 254220315143 - 2²⁴ = 254203537927 is a prime.

It is a super-2 number, since 2×254220315143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254220315133) 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, 59645996 + ... + 59650257.

It is an arithmetic number, because the mean of its divisors is an integer number (63584903382).

Almost surely, 2^254220315143 is an apocalyptic number.

254220315143 is a deficient number, since it is larger than the sum of its proper divisors (119298385).

254220315143 is a wasteful number, since it uses less digits than its factorization.

254220315143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119298384.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 254220315143 its reverse (341513022452), we get a palindrome (595733337595).

The spelling of 254220315143 in words is "two hundred fifty-four billion, two hundred twenty million, three hundred fifteen thousand, one hundred forty-three".