245131628 has 24 divisors (see below), whose sum is σ = 496473600. Its totient is φ = 103725648.

The previous prime is 245131589. The next prime is 245131637. The reversal of 245131628 is 826131542.

It is a junction number, because it is equal to n+sod(n) for n = 245131594 and 245131603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53198 + ... + 57621.

It is an arithmetic number, because the mean of its divisors is an integer number (20686400).

Almost surely, 2^245131628 is an apocalyptic number.

245131628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245131628 is an abundant number, since it is smaller than the sum of its proper divisors (251341972).

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

245131628 is a wasteful number, since it uses less digits than its factorization.

245131628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110909 (or 110907 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 245131628 is about 15656.6799801235. The cubic root of 245131628 is about 625.8445142524.

The spelling of 245131628 in words is "two hundred forty-five million, one hundred thirty-one thousand, six hundred twenty-eight".