160689145 has 8 divisors (see below), whose sum is σ = 199476360. Its totient is φ = 124118400.

The previous prime is 160689131. The next prime is 160689161. The reversal of 160689145 is 541986061.

It can be written as a sum of positive squares in 4 ways, for example, as 61905424 + 98783721 = 7868^2 + 9939^2 .

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

It is not a de Polignac number, because 160689145 - 2¹³ = 160680953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160689098 and 160689107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553956 + ... + 554245.

It is an arithmetic number, because the mean of its divisors is an integer number (24934545).

Almost surely, 2^160689145 is an apocalyptic number.

It is an amenable number.

160689145 is a deficient number, since it is larger than the sum of its proper divisors (38787215).

160689145 is a wasteful number, since it uses less digits than its factorization.

160689145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108235.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 160689145 is about 12676.3222190034. The cubic root of 160689145 is about 543.6618350031.

The spelling of 160689145 in words is "one hundred sixty million, six hundred eighty-nine thousand, one hundred forty-five".