145125 has 32 divisors (see below), whose sum is σ = 274560. Its totient is φ = 75600.

The previous prime is 145121. The next prime is 145133. The reversal of 145125 is 521541.

145125 = 21³ + 22³ + ... + 29³.

It is not a de Polignac number, because 145125 - 2² = 145121 is a prime.

It is a super-2 number, since 2×145125² = 42122531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145098 and 145107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3354 + ... + 3396.

It is an arithmetic number, because the mean of its divisors is an integer number (8580).

2¹⁴⁵¹²⁵ is an apocalyptic number.

145125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145125 is a deficient number, since it is larger than the sum of its proper divisors (129435).

145125 is an equidigital number, since it uses as much as digits as its factorization.

145125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 51 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 145125 is about 380.9527529760. The cubic root of 145125 is about 52.5509709058.

Adding to 145125 its reverse (521541), we get a palindrome (666666).

The spelling of 145125 in words is "one hundred forty-five thousand, one hundred twenty-five".