165834445 has 32 divisors (see below), whose sum is σ = 234178560. Its totient is φ = 110376000.

The previous prime is 165834437. The next prime is 165834491. The reversal of 165834445 is 544438561.

It is a happy number.

It is not a de Polignac number, because 165834445 - 2³ = 165834437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165834398 and 165834407.

It is a congruent number.

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, 377536 + ... + 377974.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^165834445 is an apocalyptic number.

It is an amenable number.

165834445 is a deficient number, since it is larger than the sum of its proper divisors (68344115).

165834445 is a wasteful number, since it uses less digits than its factorization.

165834445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its digits is 230400, while the sum is 40.

The square root of 165834445 is about 12877.6723440224. The cubic root of 165834445 is about 549.4037008453.

The spelling of 165834445 in words is "one hundred sixty-five million, eight hundred thirty-four thousand, four hundred forty-five".