145105161 has 8 divisors (see below), whose sum is σ = 195282144. Its totient is φ = 95832480.

The previous prime is 145105151. The next prime is 145105189. The reversal of 145105161 is 161501541.

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

It is not a de Polignac number, because 145105161 - 2¹⁰ = 145104137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145105151) 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, 225700 + ... + 226341.

It is an arithmetic number, because the mean of its divisors is an integer number (24410268).

Almost surely, 2^145105161 is an apocalyptic number.

It is an amenable number.

145105161 is a deficient number, since it is larger than the sum of its proper divisors (50176983).

145105161 is a wasteful number, since it uses less digits than its factorization.

145105161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452151.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 145105161 is about 12045.9603602204. The cubic root of 145105161 is about 525.4857617431.

The spelling of 145105161 in words is "one hundred forty-five million, one hundred five thousand, one hundred sixty-one".