245849450 has 48 divisors (see below), whose sum is σ = 570124224. Its totient is φ = 76627200.

The previous prime is 245849441. The next prime is 245849503. The reversal of 245849450 is 54948542.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245849398 and 245849407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28079 + ... + 35778.

It is an arithmetic number, because the mean of its divisors is an integer number (11877588).

Almost surely, 2^245849450 is an apocalyptic number.

245849450 is an abundant number, since it is smaller than the sum of its proper divisors (324274774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245849450 is a wasteful number, since it uses less digits than its factorization.

245849450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63887 (or 63882 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 245849450 is about 15679.5870481336. The cubic root of 245849450 is about 626.4548083581.

The spelling of 245849450 in words is "two hundred forty-five million, eight hundred forty-nine thousand, four hundred fifty".