165242355 has 8 divisors (see below), whose sum is σ = 264387792. Its totient is φ = 88129248.

The previous prime is 165242323. The next prime is 165242381. The reversal of 165242355 is 553242561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165242355 - 2⁵ = 165242323 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5508064 + ... + 5508093.

It is an arithmetic number, because the mean of its divisors is an integer number (33048474).

Almost surely, 2^165242355 is an apocalyptic number.

165242355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165242355 is a deficient number, since it is larger than the sum of its proper divisors (99145437).

165242355 is a wasteful number, since it uses less digits than its factorization.

165242355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016165.

The product of its digits is 36000, while the sum is 33.

The square root of 165242355 is about 12854.6627727063. The cubic root of 165242355 is about 548.7490633248.

The spelling of 165242355 in words is "one hundred sixty-five million, two hundred forty-two thousand, three hundred fifty-five".