145709318 has 8 divisors (see below), whose sum is σ = 218622360. Its totient is φ = 72835200.

The previous prime is 145709281. The next prime is 145709321. The reversal of 145709318 is 813907541.

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, 2918 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (27327795).

Almost surely, 2^145709318 is an apocalyptic number.

145709318 is a deficient number, since it is larger than the sum of its proper divisors (72913042).

145709318 is a wasteful number, since it uses less digits than its factorization.

145709318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19462.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 145709318 is about 12071.0114737747. The cubic root of 145709318 is about 526.2140526447.

The spelling of 145709318 in words is "one hundred forty-five million, seven hundred nine thousand, three hundred eighteen".