245137650 has 96 divisors (see below), whose sum is σ = 628078848. Its totient is φ = 63244800.

The previous prime is 245137649. The next prime is 245137681. The reversal of 245137650 is 56731542.

It is a super-4 number, since 4×245137650⁴ (a number of 35 digits) contains 4444 as substring.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 667767 + ... + 668133.

It is an arithmetic number, because the mean of its divisors is an integer number (6542488).

Almost surely, 2^245137650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245137650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314039424).

245137650 is an abundant number, since it is smaller than the sum of its proper divisors (382941198).

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

245137650 is a wasteful number, since it uses less digits than its factorization.

245137650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 245137650 is about 15656.8722930220. The cubic root of 245137650 is about 625.8496391247.

The spelling of 245137650 in words is "two hundred forty-five million, one hundred thirty-seven thousand, six hundred fifty".