248543745 has 8 divisors (see below), whose sum is σ = 397670016. Its totient is φ = 132556656.

The previous prime is 248543719. The next prime is 248543747. The reversal of 248543745 is 547345842.

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

It is not a de Polignac number, because 248543745 - 2⁸ = 248543489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248543697 and 248543706.

It is not an unprimeable number, because it can be changed into a prime (248543747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8284777 + ... + 8284806.

It is an arithmetic number, because the mean of its divisors is an integer number (49708752).

Almost surely, 2^248543745 is an apocalyptic number.

It is an amenable number.

248543745 is a deficient number, since it is larger than the sum of its proper divisors (149126271).

248543745 is a wasteful number, since it uses less digits than its factorization.

248543745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16569591.

The product of its digits is 537600, while the sum is 42.

The square root of 248543745 is about 15765.2702165234. The cubic root of 248543745 is about 628.7349646681.

The spelling of 248543745 in words is "two hundred forty-eight million, five hundred forty-three thousand, seven hundred forty-five".