145825 has 12 divisors (see below), whose sum is σ = 190960. Its totient is φ = 110160.

The previous prime is 145823. The next prime is 145829. The reversal of 145825 is 528541.

145825 = T₅₀ + T₅₁ + ... + T₉₉.

It is not a de Polignac number, because 145825 - 2¹ = 145823 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 145825.

It is not an unprimeable number, because it can be changed into a prime (145823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322 + ... + 628.

2¹⁴⁵⁸²⁵ is an apocalyptic number.

It is an amenable number.

145825 is a deficient number, since it is larger than the sum of its proper divisors (45135).

145825 is a wasteful number, since it uses less digits than its factorization.

145825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 331 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 145825 is about 381.8703968626. The cubic root of 145825 is about 52.6353273646.

The spelling of 145825 in words is "one hundred forty-five thousand, eight hundred twenty-five".