33145125 has 48 divisors (see below), whose sum is σ = 59836608. Its totient is φ = 16286400.

The previous prime is 33145117. The next prime is 33145127. The reversal of 33145125 is 52154133.

It is not a de Polignac number, because 33145125 - 2³ = 33145117 is a prime.

It is a super-2 number, since 2×33145125² = 2197198622531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33145095 and 33145104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145127) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 63114 + ... + 63636.

It is an arithmetic number, because the mean of its divisors is an integer number (1246596).

Almost surely, 2^33145125 is an apocalyptic number.

It is an amenable number.

33145125 is a deficient number, since it is larger than the sum of its proper divisors (26691483).

33145125 is a wasteful number, since it uses less digits than its factorization.

33145125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 544 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 33145125 is about 5757.1802994174. The cubic root of 33145125 is about 321.2229407884. Note that the first 3 decimals are identical.

Adding to 33145125 its reverse (52154133), we get a palindrome (85299258).

The spelling of 33145125 in words is "thirty-three million, one hundred forty-five thousand, one hundred twenty-five".