245018 has 4 divisors (see below), whose sum is σ = 367530. Its totient is φ = 122508.

The previous prime is 244997. The next prime is 245023. The reversal of 245018 is 810542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124609 + 120409 = 353^2 + 347^2 .

It is a nialpdrome in base 12.

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 as a sum of consecutive naturals, namely, 61253 + ... + 61256.

2²⁴⁵⁰¹⁸ is an apocalyptic number.

245018 is a deficient number, since it is larger than the sum of its proper divisors (122512).

245018 is a wasteful number, since it uses less digits than its factorization.

245018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122511.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 245018 is about 494.9929292424. The cubic root of 245018 is about 62.5747798253.

It can be divided in two parts, 2450 and 18, that multiplied together give a square (44100 = 210²).

The spelling of 245018 in words is "two hundred forty-five thousand, eighteen".