165425141 has 4 divisors (see below), whose sum is σ = 189057312. Its totient is φ = 141792972.

The previous prime is 165425111. The next prime is 165425167. The reversal of 165425141 is 141524561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165425141 - 2¹⁰ = 165424117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165425111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11816075 + ... + 11816088.

It is an arithmetic number, because the mean of its divisors is an integer number (47264328).

Almost surely, 2^165425141 is an apocalyptic number.

It is an amenable number.

165425141 is a deficient number, since it is larger than the sum of its proper divisors (23632171).

165425141 is an equidigital number, since it uses as much as digits as its factorization.

165425141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632170.

The product of its digits is 4800, while the sum is 29.

The square root of 165425141 is about 12861.7705235321. The cubic root of 165425141 is about 548.9513251980.

The spelling of 165425141 in words is "one hundred sixty-five million, four hundred twenty-five thousand, one hundred forty-one".