245174807189 has 8 divisors (see below), whose sum is σ = 264038433792. Its totient is φ = 226311755760.

The previous prime is 245174807183. The next prime is 245174807233. The reversal of 245174807189 is 981708471542.

245174807189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245174807189 is a prime.

It is a super-2 number, since 2×245174807189² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245174807183) 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, 1222184 + ... + 1408574.

It is an arithmetic number, because the mean of its divisors is an integer number (33004804224).

Almost surely, 2^245174807189 is an apocalyptic number.

It is an amenable number.

245174807189 is a deficient number, since it is larger than the sum of its proper divisors (18863626603).

245174807189 is a wasteful number, since it uses less digits than its factorization.

245174807189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287587.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 245174807189 in words is "two hundred forty-five billion, one hundred seventy-four million, eight hundred seven thousand, one hundred eighty-nine".