146643125 has 10 divisors (see below), whose sum is σ = 183246030. Its totient is φ = 117314000.

The previous prime is 146643109. The next prime is 146643157. The reversal of 146643125 is 521346641.

It can be written as a sum of positive squares in 5 ways, for example, as 69923044 + 76720081 = 8362^2 + 8759^2 .

It is not a de Polignac number, because 146643125 - 2⁴ = 146643109 is a prime.

It is a super-2 number, since 2×146643125² = 43008412219531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146643091 and 146643100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 116690 + ... + 117939.

It is an arithmetic number, because the mean of its divisors is an integer number (18324603).

Almost surely, 2^146643125 is an apocalyptic number.

It is an amenable number.

146643125 is a deficient number, since it is larger than the sum of its proper divisors (36602905).

146643125 is an frugal number, since it uses more digits than its factorization.

146643125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234649 (or 234634 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 146643125 is about 12109.6294328109. The cubic root of 146643125 is about 527.3357754167.

Adding to 146643125 its reverse (521346641), we get a palindrome (667989766).

The spelling of 146643125 in words is "one hundred forty-six million, six hundred forty-three thousand, one hundred twenty-five".