245075688 has 144 divisors (see below), whose sum is σ = 784499040. Its totient is φ = 68515200.

The previous prime is 245075687. The next prime is 245075693. The reversal of 245075688 is 886570542.

It is not an unprimeable number, because it can be changed into a prime (245075687) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 132933 + ... + 134763.

It is an arithmetic number, because the mean of its divisors is an integer number (5447910).

Almost surely, 2^245075688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245075688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392249520).

245075688 is an abundant number, since it is smaller than the sum of its proper divisors (539423352).

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

245075688 is a wasteful number, since it uses less digits than its factorization.

245075688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 245075688 is about 15654.8934202696. The cubic root of 245075688 is about 625.7969039055.

The spelling of 245075688 in words is "two hundred forty-five million, seventy-five thousand, six hundred eighty-eight".