254201142205 has 8 divisors (see below), whose sum is σ = 322984980792. Its totient is φ = 191398507008.

The previous prime is 254201142191. The next prime is 254201142229. The reversal of 254201142205 is 502241102452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32565450681 + 221635691524 = 180459^2 + 470782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254201142205 - 2¹¹ = 254201140157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495300752 + ... + 1495300921.

It is an arithmetic number, because the mean of its divisors is an integer number (40373122599).

Almost surely, 2^254201142205 is an apocalyptic number.

It is an amenable number.

254201142205 is a deficient number, since it is larger than the sum of its proper divisors (68783838587).

254201142205 is a wasteful number, since it uses less digits than its factorization.

254201142205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990601695.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 254201142205 its reverse (502241102452), we get a palindrome (756442244657).

The spelling of 254201142205 in words is "two hundred fifty-four billion, two hundred one million, one hundred forty-two thousand, two hundred five".