255377545 has 4 divisors (see below), whose sum is σ = 306453060. Its totient is φ = 204302032.

The previous prime is 255377543. The next prime is 255377581. The reversal of 255377545 is 545773552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83557881 + 171819664 = 9141^2 + 13108^2 .

It is a cyclic number.

It is not a de Polignac number, because 255377545 - 2¹ = 255377543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255377543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25537750 + ... + 25537759.

It is an arithmetic number, because the mean of its divisors is an integer number (76613265).

Almost surely, 2^255377545 is an apocalyptic number.

It is an amenable number.

255377545 is a deficient number, since it is larger than the sum of its proper divisors (51075515).

255377545 is an equidigital number, since it uses as much as digits as its factorization.

255377545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51075514.

The product of its digits is 735000, while the sum is 43.

The square root of 255377545 is about 15980.5364428107. The cubic root of 255377545 is about 634.4453751429.

The spelling of 255377545 in words is "two hundred fifty-five million, three hundred seventy-seven thousand, five hundred forty-five".