15133145 has 8 divisors (see below), whose sum is σ = 19228104. Its totient is φ = 11394304.

The previous prime is 15133127. The next prime is 15133147. The reversal of 15133145 is 54133151.

It can be written as a sum of positive squares in 4 ways, for example, as 3429904 + 11703241 = 1852^2 + 3421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15133145 - 2¹⁰ = 15132121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15133145.

It is not an unprimeable number, because it can be changed into a prime (15133147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88934 + ... + 89103.

It is an arithmetic number, because the mean of its divisors is an integer number (2403513).

Almost surely, 2^15133145 is an apocalyptic number.

It is an amenable number.

15133145 is a deficient number, since it is larger than the sum of its proper divisors (4094959).

15133145 is a wasteful number, since it uses less digits than its factorization.

15133145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178059.

The product of its digits is 900, while the sum is 23.

The square root of 15133145 is about 3890.1343164472. The cubic root of 15133145 is about 247.3487563530.

Adding to 15133145 its reverse (54133151), we get a palindrome (69266296).

It can be divided in two parts, 151331 and 45, that multiplied together give a triangular number (6809895 = T₃₆₉₀).

The spelling of 15133145 in words is "fifteen million, one hundred thirty-three thousand, one hundred forty-five".