145685318 has 8 divisors (see below), whose sum is σ = 219443040. Its totient is φ = 72537640.

The previous prime is 145685279. The next prime is 145685321. The reversal of 145685318 is 813586541.

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

It is a super-2 number, since 2×145685318² = 42448423761522248, which contains 22 as substring.

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, 151913 + ... + 152868.

It is an arithmetic number, because the mean of its divisors is an integer number (27430380).

Almost surely, 2^145685318 is an apocalyptic number.

145685318 is a deficient number, since it is larger than the sum of its proper divisors (73757722).

145685318 is a wasteful number, since it uses less digits than its factorization.

145685318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305022.

The product of its digits is 115200, while the sum is 41.

The square root of 145685318 is about 12070.0173156462. The cubic root of 145685318 is about 526.1851598900.

The spelling of 145685318 in words is "one hundred forty-five million, six hundred eighty-five thousand, three hundred eighteen".