145587 has 8 divisors (see below), whose sum is σ = 209104. Its totient is φ = 89568.

The previous prime is 145577. The next prime is 145589. The reversal of 145587 is 785541.

145587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145587 - 2⁷ = 145459 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145587.

It is not an unprimeable number, because it can be changed into a prime (145589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (26138).

2¹⁴⁵⁵⁸⁷ is an apocalyptic number.

145587 is a deficient number, since it is larger than the sum of its proper divisors (63517).

145587 is a wasteful number, since it uses less digits than its factorization.

145587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its digits is 5600, while the sum is 30.

The square root of 145587 is about 381.5586455579. The cubic root of 145587 is about 52.6066765176.

The spelling of 145587 in words is "one hundred forty-five thousand, five hundred eighty-seven".