245181742536 has 16 divisors (see below), whose sum is σ = 612954356400. Its totient is φ = 81727247504.

The previous prime is 245181742529. The next prime is 245181742543. The reversal of 245181742536 is 635247181542.

It is an interprime number because it is at equal distance from previous prime (245181742529) and next prime (245181742543).

It is a super-2 number, since 2×245181742536² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107952946 + ... + 5107952993.

It is an arithmetic number, because the mean of its divisors is an integer number (38309647275).

Almost surely, 2^245181742536 is an apocalyptic number.

It is an amenable number.

245181742536 is an abundant number, since it is smaller than the sum of its proper divisors (367772613864).

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

245181742536 is a wasteful number, since it uses less digits than its factorization.

245181742536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215905948 (or 10215905944 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 245181742536 in words is "two hundred forty-five billion, one hundred eighty-one million, seven hundred forty-two thousand, five hundred thirty-six".