145564318 has 8 divisors (see below), whose sum is σ = 220013640. Its totient is φ = 72226440.

The previous prime is 145564297. The next prime is 145564337. The reversal of 145564318 is 813465541.

It is a happy number.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 277533 + ... + 278056.

It is an arithmetic number, because the mean of its divisors is an integer number (27501705).

Almost surely, 2^145564318 is an apocalyptic number.

145564318 is a deficient number, since it is larger than the sum of its proper divisors (74449322).

145564318 is a wasteful number, since it uses less digits than its factorization.

145564318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555722.

The product of its digits is 57600, while the sum is 37.

The square root of 145564318 is about 12065.0038541229. The cubic root of 145564318 is about 526.0394439041.

The spelling of 145564318 in words is "one hundred forty-five million, five hundred sixty-four thousand, three hundred eighteen".