253454532143 has 4 divisors (see below), whose sum is σ = 256662817440. Its totient is φ = 250246246848.

The previous prime is 253454532101. The next prime is 253454532173. The reversal of 253454532143 is 341235454352.

253454532143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253454532143 - 2¹⁰ = 253454531119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253454532143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253454532173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604142530 + ... + 1604142687.

It is an arithmetic number, because the mean of its divisors is an integer number (64165704360).

Almost surely, 2^253454532143 is an apocalyptic number.

253454532143 is a deficient number, since it is larger than the sum of its proper divisors (3208285297).

253454532143 is an equidigital number, since it uses as much as digits as its factorization.

253454532143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208285296.

The product of its digits is 864000, while the sum is 41.

Adding to 253454532143 its reverse (341235454352), we get a palindrome (594689986495).

The spelling of 253454532143 in words is "two hundred fifty-three billion, four hundred fifty-four million, five hundred thirty-two thousand, one hundred forty-three".