248775045 has 8 divisors (see below), whose sum is σ = 398040096. Its totient is φ = 132680016.

The previous prime is 248775041. The next prime is 248775047. The reversal of 248775045 is 540577842.

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

It is not a de Polignac number, because 248775045 - 2² = 248775041 is a prime.

It is a super-3 number, since 3×248775045³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248774988 and 248775006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248775041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8292487 + ... + 8292516.

It is an arithmetic number, because the mean of its divisors is an integer number (49755012).

Almost surely, 2^248775045 is an apocalyptic number.

It is an amenable number.

248775045 is a deficient number, since it is larger than the sum of its proper divisors (149265051).

248775045 is a wasteful number, since it uses less digits than its factorization.

248775045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585011.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 248775045 is about 15772.6042554804. The cubic root of 248775045 is about 628.9299421603.

The spelling of 248775045 in words is "two hundred forty-eight million, seven hundred seventy-five thousand, forty-five".