15125045 has 32 divisors (see below), whose sum is σ = 21194880. Its totient is φ = 10264320.

The previous prime is 15125041. The next prime is 15125051. The reversal of 15125045 is 54052151.

It is a happy number.

It is not a de Polignac number, because 15125045 - 2² = 15125041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15125045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125041) 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 31 ways as a sum of consecutive naturals, for example, 45530 + ... + 45860.

It is an arithmetic number, because the mean of its divisors is an integer number (662340).

Almost surely, 2^15125045 is an apocalyptic number.

It is an amenable number.

15125045 is a deficient number, since it is larger than the sum of its proper divisors (6069835).

15125045 is a wasteful number, since it uses less digits than its factorization.

15125045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 15125045 is about 3889.0930819408. The cubic root of 15125045 is about 247.3046174227.

Adding to 15125045 its reverse (54052151), we get a palindrome (69177196).

The spelling of 15125045 in words is "fifteen million, one hundred twenty-five thousand, forty-five".