245332747530 has 192 divisors, whose sum is σ = 765621642240. Its totient is φ = 53845751808.

The previous prime is 245332747529. The next prime is 245332747559. The reversal of 245332747530 is 35747233542.

245332747530 is a `hidden beast` number, since 2 + 4 + 53 + 3 + 27 + 47 + 530 = 666.

245332747530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245332747530² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53319 + ... + 702501.

It is an arithmetic number, because the mean of its divisors is an integer number (3987612720).

Almost surely, 2^245332747530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245332747530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382810821120).

245332747530 is an abundant number, since it is smaller than the sum of its proper divisors (520288894710).

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

245332747530 is a wasteful number, since it uses less digits than its factorization.

245332747530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649245 (or 649242 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 45.

The spelling of 245332747530 in words is "two hundred forty-five billion, three hundred thirty-two million, seven hundred forty-seven thousand, five hundred thirty".