165347345 has 16 divisors (see below), whose sum is σ = 208265472. Its totient is φ = 125780160.

The previous prime is 165347327. The next prime is 165347353. The reversal of 165347345 is 543743561.

It is not a de Polignac number, because 165347345 - 2¹⁴ = 165330961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165347299 and 165347308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15740 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (13016592).

Almost surely, 2^165347345 is an apocalyptic number.

It is an amenable number.

165347345 is a deficient number, since it is larger than the sum of its proper divisors (42918127).

165347345 is a wasteful number, since it uses less digits than its factorization.

165347345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8512.

The product of its digits is 151200, while the sum is 38.

The square root of 165347345 is about 12858.7458564201. The cubic root of 165347345 is about 548.8652582447.

The spelling of 165347345 in words is "one hundred sixty-five million, three hundred forty-seven thousand, three hundred forty-five".