165752141 has 2 divisors, whose sum is σ = 165752142. Its totient is φ = 165752140.

The previous prime is 165752137. The next prime is 165752149. The reversal of 165752141 is 141257561.

165752141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111302500 + 54449641 = 10550^2 + 7379^2 .

It is a cyclic number.

It is not a de Polignac number, because 165752141 - 2² = 165752137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165752098 and 165752107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165752149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82876070 + 82876071.

It is an arithmetic number, because the mean of its divisors is an integer number (82876071).

Almost surely, 2^165752141 is an apocalyptic number.

It is an amenable number.

165752141 is a deficient number, since it is larger than the sum of its proper divisors (1).

165752141 is an equidigital number, since it uses as much as digits as its factorization.

165752141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 165752141 is about 12874.4763388652. The cubic root of 165752141 is about 549.3127957162.

The spelling of 165752141 in words is "one hundred sixty-five million, seven hundred fifty-two thousand, one hundred forty-one".