245969100 has 108 divisors (see below), whose sum is σ = 830321856. Its totient is φ = 60543360.

The previous prime is 245969071. The next prime is 245969149. The reversal of 245969100 is 1969542.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 1189 + ... + 22211.

Almost surely, 2^245969100 is an apocalyptic number.

245969100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245969100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415160928).

245969100 is an abundant number, since it is smaller than the sum of its proper divisors (584352756).

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

245969100 is a wasteful number, since it uses less digits than its factorization.

245969100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21056 (or 21046 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 245969100 is about 15683.4020544013. The cubic root of 245969100 is about 626.5564195424.

The spelling of 245969100 in words is "two hundred forty-five million, nine hundred sixty-nine thousand, one hundred".