245778432 has 96 divisors (see below), whose sum is σ = 663062400. Its totient is φ = 80953344.

The previous prime is 245778431. The next prime is 245778439. The reversal of 245778432 is 234877542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (245778431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669513 + ... + 669879.

It is an arithmetic number, because the mean of its divisors is an integer number (6906900).

Almost surely, 2^245778432 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 245778432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331531200).

245778432 is an abundant number, since it is smaller than the sum of its proper divisors (417283968).

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

245778432 is a wasteful number, since it uses less digits than its factorization.

245778432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 481 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The square root of 245778432 is about 15677.3222203283. The cubic root of 245778432 is about 626.3944816661.

The spelling of 245778432 in words is "two hundred forty-five million, seven hundred seventy-eight thousand, four hundred thirty-two".