255050153505145 has 32 divisors (see below), whose sum is σ = 332694126194976. Its totient is φ = 186943948800000.

The previous prime is 255050153505139. The next prime is 255050153505149. The reversal of 255050153505145 is 541505351050552.

It can be written as a sum of positive squares in 16 ways, for example, as 75439873185769 + 179610280319376 = 8685613^2 + 13401876^2 .

It is not a de Polignac number, because 255050153505145 - 2¹³ = 255050153496953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255050153505095 and 255050153505104.

It is not an unprimeable number, because it can be changed into a prime (255050153505149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78478606 + ... + 81663895.

It is an arithmetic number, because the mean of its divisors is an integer number (10396691443593).

Almost surely, 2^{255050153505145} is an apocalyptic number.

It is an amenable number.

255050153505145 is a deficient number, since it is larger than the sum of its proper divisors (77643972689831).

255050153505145 is a wasteful number, since it uses less digits than its factorization.

255050153505145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160143021.

The product of its (nonzero) digits is 1875000, while the sum is 46.

The spelling of 255050153505145 in words is "two hundred fifty-five trillion, fifty billion, one hundred fifty-three million, five hundred five thousand, one hundred forty-five".