254131444032145 has 16 divisors (see below), whose sum is σ = 305067662761680. Its totient is φ = 203231873470464.

The previous prime is 254131444032107. The next prime is 254131444032163. The reversal of 254131444032145 is 541230444131452.

It can be written as a sum of positive squares in 8 ways, for example, as 54150892495441 + 199980551536704 = 7358729^2 + 14141448^2 .

It is a cyclic number.

It is not a de Polignac number, because 254131444032145 - 2¹³ = 254131444023953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441022057 + ... + 441597913.

It is an arithmetic number, because the mean of its divisors is an integer number (19066728922605).

Almost surely, 2^{254131444032145} is an apocalyptic number.

It is an amenable number.

254131444032145 is a deficient number, since it is larger than the sum of its proper divisors (50936218729535).

254131444032145 is a wasteful number, since it uses less digits than its factorization.

254131444032145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607524.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 254131444032145 its reverse (541230444131452), we get a palindrome (795361888163597).

The spelling of 254131444032145 in words is "two hundred fifty-four trillion, one hundred thirty-one billion, four hundred forty-four million, thirty-two thousand, one hundred forty-five".