245131632 has 120 divisors (see below), whose sum is σ = 717275520. Its totient is φ = 78059520.

The previous prime is 245131589. The next prime is 245131637. The reversal of 245131632 is 236131542.

245131632 is a `hidden beast` number, since 24 + 5 + 1 + 3 + 1 + 632 = 666.

245131632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245131596 and 245131605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245131637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396988 + ... + 397604.

It is an arithmetic number, because the mean of its divisors is an integer number (5977296).

Almost surely, 2^245131632 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 245131632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358637760).

245131632 is an abundant number, since it is smaller than the sum of its proper divisors (472143888).

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

245131632 is a wasteful number, since it uses less digits than its factorization.

245131632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 742 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 245131632 is about 15656.6801078645. The cubic root of 245131632 is about 625.8445176566.

The spelling of 245131632 in words is "two hundred forty-five million, one hundred thirty-one thousand, six hundred thirty-two".