248943345 has 16 divisors (see below), whose sum is σ = 455210880. Its totient is φ = 113802624.

The previous prime is 248943323. The next prime is 248943347. The reversal of 248943345 is 543349842.

It is not a de Polignac number, because 248943345 - 2⁵ = 248943313 is a prime.

It is a super-3 number, since 3×248943345³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248943297 and 248943306.

It is not an unprimeable number, because it can be changed into a prime (248943347) 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, 1185340 + ... + 1185549.

It is an arithmetic number, because the mean of its divisors is an integer number (28450680).

Almost surely, 2^248943345 is an apocalyptic number.

It is an amenable number.

248943345 is a deficient number, since it is larger than the sum of its proper divisors (206267535).

248943345 is a wasteful number, since it uses less digits than its factorization.

248943345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370904.

The product of its digits is 414720, while the sum is 42.

The square root of 248943345 is about 15777.9385535627. The cubic root of 248943345 is about 629.0717369945.

The spelling of 248943345 in words is "two hundred forty-eight million, nine hundred forty-three thousand, three hundred forty-five".