165144046 has 8 divisors (see below), whose sum is σ = 247847544. Its totient is φ = 82528200.

The previous prime is 165144043. The next prime is 165144073. The reversal of 165144046 is 640441561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165143999 and 165144017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165144043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16980 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (30980943).

Almost surely, 2^165144046 is an apocalyptic number.

165144046 is a deficient number, since it is larger than the sum of its proper divisors (82703498).

165144046 is a wasteful number, since it uses less digits than its factorization.

165144046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43826.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 165144046 is about 12850.8383384120. The cubic root of 165144046 is about 548.6402177980.

The spelling of 165144046 in words is "one hundred sixty-five million, one hundred forty-four thousand, forty-six".