255416545 has 8 divisors (see below), whose sum is σ = 308557800. Its totient is φ = 202961280.

The previous prime is 255416537. The next prime is 255416569. The reversal of 255416545 is 545614552.

It can be written as a sum of positive squares in 4 ways, for example, as 10086976 + 245329569 = 3176^2 + 15663^2 .

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

It is not a de Polignac number, because 255416545 - 2³ = 255416537 is a prime.

It is a super-2 number, since 2×255416545² = 130475222919474050, which contains 22 as substring.

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, 170676 + ... + 172165.

It is an arithmetic number, because the mean of its divisors is an integer number (38569725).

Almost surely, 2^255416545 is an apocalyptic number.

It is an amenable number.

255416545 is a deficient number, since it is larger than the sum of its proper divisors (53141255).

255416545 is a wasteful number, since it uses less digits than its factorization.

255416545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342995.

The product of its digits is 120000, while the sum is 37.

The square root of 255416545 is about 15981.7566306085. The cubic root of 255416545 is about 634.4776699559.

The spelling of 255416545 in words is "two hundred fifty-five million, four hundred sixteen thousand, five hundred forty-five".