255746545 has 8 divisors (see below), whose sum is σ = 320239296. Its totient is φ = 195701616.

The previous prime is 255746539. The next prime is 255746551. The reversal of 255746545 is 545647552.

It is an interprime number because it is at equal distance from previous prime (255746539) and next prime (255746551).

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

It is a cyclic number.

It is not a de Polignac number, because 255746545 - 2³ = 255746537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111827 + ... + 1112056.

It is an arithmetic number, because the mean of its divisors is an integer number (40029912).

Almost surely, 2^255746545 is an apocalyptic number.

It is an amenable number.

255746545 is a deficient number, since it is larger than the sum of its proper divisors (64492751).

255746545 is a wasteful number, since it uses less digits than its factorization.

255746545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223911.

The product of its digits is 840000, while the sum is 43.

The square root of 255746545 is about 15992.0775698469. The cubic root of 255746545 is about 634.7508022534.

The spelling of 255746545 in words is "two hundred fifty-five million, seven hundred forty-six thousand, five hundred forty-five".