145895 has 4 divisors (see below), whose sum is σ = 175080. Its totient is φ = 116712.

The previous prime is 145879. The next prime is 145897. The reversal of 145895 is 598541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145895 - 2⁴ = 145879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145897) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14585 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (43770).

2¹⁴⁵⁸⁹⁵ is an apocalyptic number.

145895 is a deficient number, since it is larger than the sum of its proper divisors (29185).

145895 is an equidigital number, since it uses as much as digits as its factorization.

145895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29184.

The product of its digits is 7200, while the sum is 32.

The square root of 145895 is about 381.9620399987. The cubic root of 145895 is about 52.6437481510.

The spelling of 145895 in words is "one hundred forty-five thousand, eight hundred ninety-five".