15020145 has 48 divisors (see below), whose sum is σ = 30506112. Its totient is φ = 6693120.

The previous prime is 15020143. The next prime is 15020167. The reversal of 15020145 is 54102051.

It is not a de Polignac number, because 15020145 - 2¹ = 15020143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12334 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (635544).

Almost surely, 2^15020145 is an apocalyptic number.

15020145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15020145 is an abundant number, since it is smaller than the sum of its proper divisors (15485967).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15020145 is a wasteful number, since it uses less digits than its factorization.

15020145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 15020145 is about 3875.5831819224. The cubic root of 15020145 is about 246.7315621395.

Adding to 15020145 its reverse (54102051), we get a palindrome (69122196).

The spelling of 15020145 in words is "fifteen million, twenty thousand, one hundred forty-five".