165152443 has 8 divisors (see below), whose sum is σ = 173154816. Its totient is φ = 157218600.

The previous prime is 165152371. The next prime is 165152447. The reversal of 165152443 is 344251561.

It is a happy number.

165152443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 165152443 - 2¹³ = 165144251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165152447) 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, 12163 + ... + 21868.

It is an arithmetic number, because the mean of its divisors is an integer number (21644352).

Almost surely, 2^165152443 is an apocalyptic number.

165152443 is a deficient number, since it is larger than the sum of its proper divisors (8002373).

165152443 is a wasteful number, since it uses less digits than its factorization.

165152443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34265.

The product of its digits is 14400, while the sum is 31.

The square root of 165152443 is about 12851.1650444619. The cubic root of 165152443 is about 548.6495164556.

The spelling of 165152443 in words is "one hundred sixty-five million, one hundred fifty-two thousand, four hundred forty-three".