248945283 has 24 divisors (see below), whose sum is σ = 372128640. Its totient is φ = 160202880.

The previous prime is 248945231. The next prime is 248945311. The reversal of 248945283 is 382549842.

It is a Cunningham number, because it is equal to 15778²-1.

It is not a de Polignac number, because 248945283 - 2¹⁸ = 248683139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248945083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141135 + ... + 142887.

It is an arithmetic number, because the mean of its divisors is an integer number (15505360).

Almost surely, 2^248945283 is an apocalyptic number.

248945283 is a deficient number, since it is larger than the sum of its proper divisors (123183357).

248945283 is a wasteful number, since it uses less digits than its factorization.

248945283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2296 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 248945283 is about 15777.9999683103. Note that the first 4 decimals coincide. The cubic root of 248945283 is about 629.0733694113.

The spelling of 248945283 in words is "two hundred forty-eight million, nine hundred forty-five thousand, two hundred eighty-three".