245132928 has 96 divisors (see below), whose sum is σ = 746949060. Its totient is φ = 76898304.

The previous prime is 245132917. The next prime is 245132957. The reversal of 245132928 is 829231542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205291584 + 39841344 = 14328^2 + 6312^2 .

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

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

It is a junction number, because it is equal to n+sod(n) for n = 245132892 and 245132901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13326 + ... + 25842.

Almost surely, 2^245132928 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 245132928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373474530).

245132928 is an abundant number, since it is smaller than the sum of its proper divisors (501816132).

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

245132928 is a wasteful number, since it uses less digits than its factorization.

245132928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554 (or 12539 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 245132928 is about 15656.7214958943. The cubic root of 245132928 is about 625.8456205920.

The spelling of 245132928 in words is "two hundred forty-five million, one hundred thirty-two thousand, nine hundred twenty-eight".