145665334 has 8 divisors (see below), whose sum is σ = 218567160. Its totient is φ = 72809616.

The previous prime is 145665323. The next prime is 145665341. The reversal of 145665334 is 433566541.

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 = 145665293 and 145665302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079 + ... + 17194.

It is an arithmetic number, because the mean of its divisors is an integer number (27320895).

Almost surely, 2^145665334 is an apocalyptic number.

145665334 is a deficient number, since it is larger than the sum of its proper divisors (72901826).

145665334 is a wasteful number, since it uses less digits than its factorization.

145665334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23054.

The product of its digits is 129600, while the sum is 37.

The square root of 145665334 is about 12069.1894508289. The cubic root of 145665334 is about 526.1610994351.

It can be divided in two parts, 14566 and 5334, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 145665334 in words is "one hundred forty-five million, six hundred sixty-five thousand, three hundred thirty-four".