245541632 has 72 divisors (see below), whose sum is σ = 568117536. Its totient is φ = 103735296.

The previous prime is 245541631. The next prime is 245541649. The reversal of 245541632 is 236145542.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (245541631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129878 + ... + 131754.

Almost surely, 2^245541632 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 245541632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284058768).

245541632 is an abundant number, since it is smaller than the sum of its proper divisors (322575904).

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

245541632 is an equidigital number, since it uses as much as digits as its factorization.

245541632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1959 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 245541632 is about 15669.7680901793. The cubic root of 245541632 is about 626.1932463844.

The spelling of 245541632 in words is "two hundred forty-five million, five hundred forty-one thousand, six hundred thirty-two".