245013630 has 64 divisors (see below), whose sum is σ = 606735360. Its totient is φ = 63275904.

The previous prime is 245013617. The next prime is 245013631. The reversal of 245013630 is 36310542.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 245013630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245013631) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 340411 + ... + 341129.

It is an arithmetic number, because the mean of its divisors is an integer number (9480240).

Almost surely, 2^245013630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245013630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303367680).

245013630 is an abundant number, since it is smaller than the sum of its proper divisors (361721730).

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

245013630 is a wasteful number, since it uses less digits than its factorization.

245013630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 245013630 is about 15652.9112308222. The cubic root of 245013630 is about 625.7440780716.

The spelling of 245013630 in words is "two hundred forty-five million, thirteen thousand, six hundred thirty".