245252043 has 40 divisors (see below), whose sum is σ = 382369680. Its totient is φ = 156461760.

The previous prime is 245252039. The next prime is 245252069. The reversal of 245252043 is 340252542.

It is a happy number.

245252043 is a `hidden beast` number, since 2 + 452 + 5 + 204 + 3 = 666.

It is not a de Polignac number, because 245252043 - 2² = 245252039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 245251998 and 245252016.

It is not an unprimeable number, because it can be changed into a prime (245252003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 307321 + ... + 308117.

It is an arithmetic number, because the mean of its divisors is an integer number (9559242).

Almost surely, 2^245252043 is an apocalyptic number.

245252043 is a deficient number, since it is larger than the sum of its proper divisors (137117637).

245252043 is a wasteful number, since it uses less digits than its factorization.

245252043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 245252043 is about 15660.5249912000. The cubic root of 245252043 is about 625.9469744849.

The spelling of 245252043 in words is "two hundred forty-five million, two hundred fifty-two thousand, forty-three".