253143054442 has 16 divisors (see below), whose sum is σ = 392001329664. Its totient is φ = 122476734000.

The previous prime is 253143054433. The next prime is 253143054517. The reversal of 253143054442 is 244450341352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467092 + ... + 851152.

It is an arithmetic number, because the mean of its divisors is an integer number (24500083104).

Almost surely, 2^253143054442 is an apocalyptic number.

253143054442 is a deficient number, since it is larger than the sum of its proper divisors (138858275222).

253143054442 is a wasteful number, since it uses less digits than its factorization.

253143054442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394725.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 253143054442 its reverse (244450341352), we get a palindrome (497593395794).

The spelling of 253143054442 in words is "two hundred fifty-three billion, one hundred forty-three million, fifty-four thousand, four hundred forty-two".