255445761 has 16 divisors (see below), whose sum is σ = 346170816. Its totient is φ = 167521536.

The previous prime is 255445739. The next prime is 255445769. The reversal of 255445761 is 167544552.

255445761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255445761 - 2⁹ = 255445249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255445769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95701 + ... + 98333.

It is an arithmetic number, because the mean of its divisors is an integer number (21635676).

Almost surely, 2^255445761 is an apocalyptic number.

It is an amenable number.

255445761 is a deficient number, since it is larger than the sum of its proper divisors (90725055).

255445761 is a wasteful number, since it uses less digits than its factorization.

255445761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 168000, while the sum is 39.

The square root of 255445761 is about 15982.6706466723. The cubic root of 255445761 is about 634.5018607574.

The spelling of 255445761 in words is "two hundred fifty-five million, four hundred forty-five thousand, seven hundred sixty-one".