245751161 has 8 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 242677600.

The previous prime is 245751119. The next prime is 245751169. The reversal of 245751161 is 161157542.

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

It is a cyclic number.

It is not a de Polignac number, because 245751161 - 2¹⁰ = 245750137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245751169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101240 + ... + 103638.

It is an arithmetic number, because the mean of its divisors is an integer number (31104000).

Almost surely, 2^245751161 is an apocalyptic number.

It is an amenable number.

245751161 is a deficient number, since it is larger than the sum of its proper divisors (3080839).

245751161 is a wasteful number, since it uses less digits than its factorization.

245751161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its digits is 8400, while the sum is 32.

The square root of 245751161 is about 15676.4524366963. The cubic root of 245751161 is about 626.3713130536.

The spelling of 245751161 in words is "two hundred forty-five million, seven hundred fifty-one thousand, one hundred sixty-one".