165036154 has 4 divisors (see below), whose sum is σ = 247554234. Its totient is φ = 82518076.

The previous prime is 165036143. The next prime is 165036173. The reversal of 165036154 is 451630561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 109935225 + 55100929 = 10485^2 + 7423^2 .

It is a super-2 number, since 2×165036154² = 54473864254223432, which contains 22 as substring.

It is an unprimeable number.

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, 41259037 + ... + 41259040.

Almost surely, 2^165036154 is an apocalyptic number.

165036154 is a deficient number, since it is larger than the sum of its proper divisors (82518080).

165036154 is an equidigital number, since it uses as much as digits as its factorization.

165036154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82518079.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 165036154 is about 12846.6397941252. The cubic root of 165036154 is about 548.5207124583.

The spelling of 165036154 in words is "one hundred sixty-five million, thirty-six thousand, one hundred fifty-four".