248545842 has 16 divisors (see below), whose sum is σ = 505241472. Its totient is φ = 81490320.

The previous prime is 248545799. The next prime is 248545861.

248545842 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 248545794 and 248545803.

It is an unprimeable number.

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, 339178 + ... + 339909.

It is an arithmetic number, because the mean of its divisors is an integer number (31577592).

Almost surely, 2^248545842 is an apocalyptic number.

248545842 is an abundant number, since it is smaller than the sum of its proper divisors (256695630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248545842 is a wasteful number, since it uses less digits than its factorization.

248545842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679153.

The product of its digits is 409600, while the sum is 42.

The square root of 248545842 is about 15765.3367233307. The cubic root of 248545842 is about 628.7367329061.

The spelling of 248545842 in words is "two hundred forty-eight million, five hundred forty-five thousand, eight hundred forty-two".