145885 has 8 divisors (see below), whose sum is σ = 177120. Its totient is φ = 115344.

The previous prime is 145879. The next prime is 145897. The reversal of 145885 is 588541.

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

It is a cyclic number.

It is not a de Polignac number, because 145885 - 2⁷ = 145757 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (22140).

2¹⁴⁵⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

145885 is a deficient number, since it is larger than the sum of its proper divisors (31235).

145885 is a wasteful number, since it uses less digits than its factorization.

145885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its digits is 6400, while the sum is 31.

The square root of 145885 is about 381.9489494684. The cubic root of 145885 is about 52.6425453464.

The spelling of 145885 in words is "one hundred forty-five thousand, eight hundred eighty-five".