145530125 has 36 divisors (see below), whose sum is σ = 199065204. Its totient is φ = 106173600.

The previous prime is 145530113. The next prime is 145530137. The reversal of 145530125 is 521035541.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (145530113) and next prime (145530137).

It can be written as a sum of positive squares in 6 ways, for example, as 102535876 + 42994249 = 10126^2 + 6557^2 .

It is not a de Polignac number, because 145530125 - 2¹⁸ = 145267981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145530094 and 145530103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1753334 + ... + 1753416.

It is an arithmetic number, because the mean of its divisors is an integer number (5529589).

Almost surely, 2^145530125 is an apocalyptic number.

It is an amenable number.

145530125 is a deficient number, since it is larger than the sum of its proper divisors (53535079).

145530125 is an frugal number, since it uses more digits than its factorization.

145530125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 145530125 is about 12063.5867386114. The cubic root of 145530125 is about 525.9982518604.

Adding to 145530125 its reverse (521035541), we get a palindrome (666565666).

The spelling of 145530125 in words is "one hundred forty-five million, five hundred thirty thousand, one hundred twenty-five".