245841980 has 12 divisors (see below), whose sum is σ = 516268200. Its totient is φ = 98336784.

The previous prime is 245841977. The next prime is 245841989. The reversal of 245841980 is 89148542.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245841989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146030 + ... + 6146069.

It is an arithmetic number, because the mean of its divisors is an integer number (43022350).

Almost surely, 2^245841980 is an apocalyptic number.

245841980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245841980 is an abundant number, since it is smaller than the sum of its proper divisors (270426220).

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

245841980 is a wasteful number, since it uses less digits than its factorization.

245841980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12292108 (or 12292106 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 245841980 is about 15679.3488385200. The cubic root of 245841980 is about 626.4484634658.

The spelling of 245841980 in words is "two hundred forty-five million, eight hundred forty-one thousand, nine hundred eighty".