125633145 has 32 divisors (see below), whose sum is σ = 232191360. Its totient is φ = 57328640.

The previous prime is 125633141. The next prime is 125633171. The reversal of 125633145 is 541336521.

It is not a de Polignac number, because 125633145 - 2² = 125633141 is a prime.

It is a super-3 number, since 3×125633145³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125633141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19590 + ... + 25199.

It is an arithmetic number, because the mean of its divisors is an integer number (7255980).

Almost surely, 2^125633145 is an apocalyptic number.

125633145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125633145 is a deficient number, since it is larger than the sum of its proper divisors (106558215).

125633145 is a wasteful number, since it uses less digits than its factorization.

125633145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44825.

The product of its digits is 10800, while the sum is 30.

The square root of 125633145 is about 11208.6192280762. The cubic root of 125633145 is about 500.8427720059.

Adding to 125633145 its reverse (541336521), we get a palindrome (666969666).

The spelling of 125633145 in words is "one hundred twenty-five million, six hundred thirty-three thousand, one hundred forty-five".