145986125 has 8 divisors (see below), whose sum is σ = 182190840. Its totient is φ = 116788800.

The previous prime is 145986109. The next prime is 145986149. The reversal of 145986125 is 521689541.

It can be written as a sum of positive squares in 4 ways, for example, as 19333609 + 126652516 = 4397^2 + 11254^2 .

It is not a de Polignac number, because 145986125 - 2⁴ = 145986109 is a prime.

It is a super-3 number, since 3×145986125³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 583820 + ... + 584069.

It is an arithmetic number, because the mean of its divisors is an integer number (22773855).

Almost surely, 2^145986125 is an apocalyptic number.

It is an amenable number.

145986125 is a deficient number, since it is larger than the sum of its proper divisors (36204715).

145986125 is an equidigital number, since it uses as much as digits as its factorization.

145986125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167904 (or 1167894 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The square root of 145986125 is about 12082.4718083677. The cubic root of 145986125 is about 526.5470617592.

The spelling of 145986125 in words is "one hundred forty-five million, nine hundred eighty-six thousand, one hundred twenty-five".