160957145 has 4 divisors (see below), whose sum is σ = 193148580. Its totient is φ = 128765712.

The previous prime is 160957129. The next prime is 160957193. The reversal of 160957145 is 541759061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541759061 = 73 ⋅7421357.

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 116294656 = 6683^2 + 10784^2 .

It is a cyclic number.

It is not a de Polignac number, because 160957145 - 2⁴ = 160957129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160957099 and 160957108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16095710 + ... + 16095719.

It is an arithmetic number, because the mean of its divisors is an integer number (48287145).

Almost surely, 2^160957145 is an apocalyptic number.

It is an amenable number.

160957145 is a deficient number, since it is larger than the sum of its proper divisors (32191435).

160957145 is an equidigital number, since it uses as much as digits as its factorization.

160957145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32191434.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 160957145 is about 12686.8887044854. Note that the first 3 decimals coincide. The cubic root of 160957145 is about 543.9639098480.

The spelling of 160957145 in words is "one hundred sixty million, nine hundred fifty-seven thousand, one hundred forty-five".