254226143642 has 16 divisors (see below), whose sum is σ = 389471818752. Its totient is φ = 124402468080.

The previous prime is 254226143641. The next prime is 254226143671. The reversal of 254226143642 is 246341622452.

254226143642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×254226143642² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254226143642.

It is not an unprimeable number, because it can be changed into a prime (254226143641) 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 7 ways as a sum of consecutive naturals, for example, 2331767 + ... + 2438357.

It is an arithmetic number, because the mean of its divisors is an integer number (24341988672).

Almost surely, 2^254226143642 is an apocalyptic number.

254226143642 is a deficient number, since it is larger than the sum of its proper divisors (135245675110).

254226143642 is a wasteful number, since it uses less digits than its factorization.

254226143642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132013.

The product of its digits is 552960, while the sum is 41.

The spelling of 254226143642 in words is "two hundred fifty-four billion, two hundred twenty-six million, one hundred forty-three thousand, six hundred forty-two".