169793145 has 32 divisors (see below), whose sum is σ = 303815040. Its totient is φ = 89968320.

The previous prime is 169793123. The next prime is 169793159. The reversal of 169793145 is 541397961.

It is not a de Polignac number, because 169793145 - 2⁶ = 169793081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 169793145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17190 + ... + 25200.

It is an arithmetic number, because the mean of its divisors is an integer number (9494220).

Almost surely, 2^169793145 is an apocalyptic number.

169793145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

169793145 is a deficient number, since it is larger than the sum of its proper divisors (134021895).

169793145 is a wasteful number, since it uses less digits than its factorization.

169793145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182 (or 8176 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 169793145 is about 13030.4698687346. The cubic root of 169793145 is about 553.7410470283.

The spelling of 169793145 in words is "one hundred sixty-nine million, seven hundred ninety-three thousand, one hundred forty-five".