1255738845 has 8 divisors (see below), whose sum is σ = 2009182176. Its totient is φ = 669727376.

The previous prime is 1255738811. The next prime is 1255738853. The reversal of 1255738845 is 5488375521.

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 1255738845 - 2⁹ = 1255738333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255738794 and 1255738803.

It is a congruent 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, 41857947 + ... + 41857976.

It is an arithmetic number, because the mean of its divisors is an integer number (251147772).

Almost surely, 2^1255738845 is an apocalyptic number.

1255738845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255738845 is a deficient number, since it is larger than the sum of its proper divisors (753443331).

1255738845 is an equidigital number, since it uses as much as digits as its factorization.

1255738845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83715931.

The product of its digits is 1344000, while the sum is 48.

The square root of 1255738845 is about 35436.4056444781. The cubic root of 1255738845 is about 1078.8633574904.

The spelling of 1255738845 in words is "one billion, two hundred fifty-five million, seven hundred thirty-eight thousand, eight hundred forty-five".