145025 has 6 divisors (see below), whose sum is σ = 179862. Its totient is φ = 116000.

The previous prime is 145021. The next prime is 145031. The reversal of 145025 is 520541.

It can be written as a sum of positive squares in 3 ways, for example, as 43264 + 101761 = 208^2 + 319^2 .

It is not a de Polignac number, because 145025 - 2² = 145021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 144994 and 145012.

It is not an unprimeable number, because it can be changed into a prime (145021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2876 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (29977).

2¹⁴⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

145025 is a deficient number, since it is larger than the sum of its proper divisors (34837).

145025 is an equidigital number, since it uses as much as digits as its factorization.

145025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 145025 is about 380.8214804866. The cubic root of 145025 is about 52.5388978548.

Adding to 145025 its reverse (520541), we get a palindrome (665566).

The spelling of 145025 in words is "one hundred forty-five thousand, twenty-five".