245375664 has 80 divisors (see below), whose sum is σ = 661100544. Its totient is φ = 78336000.

The previous prime is 245375657. The next prime is 245375681. The reversal of 245375664 is 466573542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152464 + ... + 154064.

Almost surely, 2^245375664 is an apocalyptic number.

245375664 is a gapful number since it is divisible by the number (24) 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 245375664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330550272).

245375664 is an abundant number, since it is smaller than the sum of its proper divisors (415724880).

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

245375664 is a wasteful number, since it uses less digits than its factorization.

245375664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1740 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 245375664 is about 15664.4713922941. The cubic root of 245375664 is about 626.0521277962.

The spelling of 245375664 in words is "two hundred forty-five million, three hundred seventy-five thousand, six hundred sixty-four".