169226345 has 8 divisors (see below), whose sum is σ = 208560264. Its totient is φ = 131721984.

The previous prime is 169226333. The next prime is 169226353. The reversal of 169226345 is 543622961.

It can be written as a sum of positive squares in 4 ways, for example, as 11397376 + 157828969 = 3376^2 + 12563^2 .

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 169226345 - 2⁸ = 169226089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169226299 and 169226308.

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 7 ways as a sum of consecutive naturals, for example, 457184 + ... + 457553.

It is an arithmetic number, because the mean of its divisors is an integer number (26070033).

Almost surely, 2^169226345 is an apocalyptic number.

It is an amenable number.

169226345 is a deficient number, since it is larger than the sum of its proper divisors (39333919).

169226345 is an equidigital number, since it uses as much as digits as its factorization.

169226345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914779.

The product of its digits is 77760, while the sum is 38.

The square root of 169226345 is about 13008.7026639861. The cubic root of 169226345 is about 553.1241977921.

The spelling of 169226345 in words is "one hundred sixty-nine million, two hundred twenty-six thousand, three hundred forty-five".