248045642 has 32 divisors (see below), whose sum is σ = 421379280. Its totient is φ = 108702720.

The previous prime is 248045621. The next prime is 248045647. The reversal of 248045642 is 246540842.

It can be written as a sum of positive squares in 8 ways, for example, as 75359761 + 172685881 = 8681^2 + 13141^2 .

It is not an unprimeable number, because it can be changed into a prime (248045647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43298 + ... + 48690.

Almost surely, 2^248045642 is an apocalyptic number.

248045642 is a deficient number, since it is larger than the sum of its proper divisors (173333638).

248045642 is a wasteful number, since it uses less digits than its factorization.

248045642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498.

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 248045642 is about 15749.4648163041. The cubic root of 248045642 is about 628.3146708280.

The spelling of 248045642 in words is "two hundred forty-eight million, forty-five thousand, six hundred forty-two".