165044153 has 2 divisors, whose sum is σ = 165044154. Its totient is φ = 165044152.

The previous prime is 165044137. The next prime is 165044189. The reversal of 165044153 is 351440561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164147344 + 896809 = 12812^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 165044153 - 2⁴ = 165044137 is a prime.

It is not a weakly prime, because it can be changed into another prime (165044053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82522076 + 82522077.

It is an arithmetic number, because the mean of its divisors is an integer number (82522077).

Almost surely, 2^165044153 is an apocalyptic number.

It is an amenable number.

165044153 is a deficient number, since it is larger than the sum of its proper divisors (1).

165044153 is an equidigital number, since it uses as much as digits as its factorization.

165044153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 165044153 is about 12846.9511168993. The cubic root of 165044153 is about 548.5295742465.

The spelling of 165044153 in words is "one hundred sixty-five million, forty-four thousand, one hundred fifty-three".