145725 has 24 divisors (see below), whose sum is σ = 252960. Its totient is φ = 73920.

The previous prime is 145723. The next prime is 145753. The reversal of 145725 is 527541.

It is not a de Polignac number, because 145725 - 2¹ = 145723 is a prime.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 145695 and 145704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2142 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (10540).

2¹⁴⁵⁷²⁵ is an apocalyptic number.

145725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145725 is a deficient number, since it is larger than the sum of its proper divisors (107235).

145725 is a wasteful number, since it uses less digits than its factorization.

145725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 104 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 145725 is about 381.7394399325. The cubic root of 145725 is about 52.6232929938.

The spelling of 145725 in words is "one hundred forty-five thousand, seven hundred twenty-five".