245353650 has 144 divisors (see below), whose sum is σ = 673510464. Its totient is φ = 58988160.

The previous prime is 245353621. The next prime is 245353663. The reversal of 245353650 is 56353542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1245352 + ... + 1245548.

It is an arithmetic number, because the mean of its divisors is an integer number (4677156).

Almost surely, 2^245353650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245353650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336755232).

245353650 is an abundant number, since it is smaller than the sum of its proper divisors (428156814).

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

245353650 is a wasteful number, since it uses less digits than its factorization.

245353650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 245353650 is about 15663.7687036039. The cubic root of 245353650 is about 626.0334050434.

The spelling of 245353650 in words is "two hundred forty-five million, three hundred fifty-three thousand, six hundred fifty".