165153514 has 4 divisors (see below), whose sum is σ = 247730274. Its totient is φ = 82576756.

The previous prime is 165153503. The next prime is 165153517. The reversal of 165153514 is 415351561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415351561 = 563 ⋅737747.

It can be written as a sum of positive squares in only one way, i.e., 161417025 + 3736489 = 12705^2 + 1933^2 .

It is not an unprimeable number, because it can be changed into a prime (165153517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41288377 + ... + 41288380.

Almost surely, 2^165153514 is an apocalyptic number.

165153514 is a deficient number, since it is larger than the sum of its proper divisors (82576760).

165153514 is an equidigital number, since it uses as much as digits as its factorization.

165153514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82576759.

The product of its digits is 9000, while the sum is 31.

The square root of 165153514 is about 12851.2067137682. The cubic root of 165153514 is about 548.6507024353.

The spelling of 165153514 in words is "one hundred sixty-five million, one hundred fifty-three thousand, five hundred fourteen".