245255043 has 32 divisors (see below), whose sum is σ = 370944000. Its totient is φ = 142790400.

The previous prime is 245255029. The next prime is 245255077. The reversal of 245255043 is 340552542.

It is not a de Polignac number, because 245255043 - 2⁴ = 245255027 is a prime.

It is a super-2 number, since 2×245255043² = 120300072233863698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245255043.

It is not an unprimeable number, because it can be changed into a prime (245255083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151623 + ... + 153231.

It is an arithmetic number, because the mean of its divisors is an integer number (11592000).

Almost surely, 2^245255043 is an apocalyptic number.

245255043 is a deficient number, since it is larger than the sum of its proper divisors (125688957).

245255043 is a wasteful number, since it uses less digits than its factorization.

245255043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 245255043 is about 15660.6207731367. The cubic root of 245255043 is about 625.9495267345.

The spelling of 245255043 in words is "two hundred forty-five million, two hundred fifty-five thousand, forty-three".