245412864 has 132 divisors (see below), whose sum is σ = 732334720. Its totient is φ = 79073280.

The previous prime is 245412863. The next prime is 245412883. The reversal of 245412864 is 468214542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245412863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285267 + ... + 286125.

Almost surely, 2^245412864 is an apocalyptic number.

245412864 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 245412864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366167360).

245412864 is an abundant number, since it is smaller than the sum of its proper divisors (486921856).

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

245412864 is a wasteful number, since it uses less digits than its factorization.

245412864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 895 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 245412864 is about 15665.6587477195. The cubic root of 245412864 is about 626.0837635908.

The spelling of 245412864 in words is "two hundred forty-five million, four hundred twelve thousand, eight hundred sixty-four".