245788497157 has 4 divisors (see below), whose sum is σ = 280901139616. Its totient is φ = 210675854700.

The previous prime is 245788497139. The next prime is 245788497173. The reversal of 245788497157 is 751794887542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245788497157 - 2⁷ = 245788497029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245788497092 and 245788497101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245788497127) 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 3 ways as a sum of consecutive naturals, for example, 17556321219 + ... + 17556321232.

It is an arithmetic number, because the mean of its divisors is an integer number (70225284904).

Almost surely, 2^245788497157 is an apocalyptic number.

It is an amenable number.

245788497157 is a deficient number, since it is larger than the sum of its proper divisors (35112642459).

245788497157 is an equidigital number, since it uses as much as digits as its factorization.

245788497157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35112642458.

The product of its digits is 158054400, while the sum is 67.

The spelling of 245788497157 in words is "two hundred forty-five billion, seven hundred eighty-eight million, four hundred ninety-seven thousand, one hundred fifty-seven".