245231737137 has 8 divisors (see below), whose sum is σ = 363306277280. Its totient is φ = 163487824740.

The previous prime is 245231737103. The next prime is 245231737181. The reversal of 245231737137 is 731737132542.

245231737137 is a `hidden beast` number, since 2 + 45 + 231 + 7 + 371 + 3 + 7 = 666.

245231737137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245231737137 - 2¹⁴ = 245231720753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245231737092 and 245231737101.

It is not an unprimeable number, because it can be changed into a prime (245231737187) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4541328439 + ... + 4541328492.

It is an arithmetic number, because the mean of its divisors is an integer number (45413284660).

Almost surely, 2^245231737137 is an apocalyptic number.

245231737137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

245231737137 is a deficient number, since it is larger than the sum of its proper divisors (118074540143).

245231737137 is an equidigital number, since it uses as much as digits as its factorization.

245231737137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082656940 (or 9082656934 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

Adding to 245231737137 its reverse (731737132542), we get a palindrome (976968869679).

The spelling of 245231737137 in words is "two hundred forty-five billion, two hundred thirty-one million, seven hundred thirty-seven thousand, one hundred thirty-seven".