245061361530 has 24 divisors (see below), whose sum is σ = 637159540212. Its totient is φ = 65349696384.

The previous prime is 245061361507. The next prime is 245061361577. The reversal of 245061361530 is 35163160542.

245061361530 is a `hidden beast` number, since 2 + 4 + 5 + 0 + 6 + 1 + 3 + 615 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 239364584001 + 5696777529 = 489249^2 + 75477^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1361451919 + ... + 1361452098.

Almost surely, 2^245061361530 is an apocalyptic number.

245061361530 is an abundant number, since it is smaller than the sum of its proper divisors (392098178682).

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

245061361530 is a wasteful number, since it uses less digits than its factorization.

245061361530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722904030 (or 2722904027 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 245061361530 in words is "two hundred forty-five billion, sixty-one million, three hundred sixty-one thousand, five hundred thirty".