15145045 has 24 divisors (see below), whose sum is σ = 19805184. Its totient is φ = 11110656.

The previous prime is 15145043. The next prime is 15145049. The reversal of 15145045 is 54054151.

It is a happy number.

15145045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15145045 - 2¹ = 15145043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67804 + ... + 68026.

It is an arithmetic number, because the mean of its divisors is an integer number (825216).

Almost surely, 2^15145045 is an apocalyptic number.

It is an amenable number.

15145045 is a deficient number, since it is larger than the sum of its proper divisors (4660139).

15145045 is a wasteful number, since it uses less digits than its factorization.

15145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 15145045 is about 3891.6635260516. The cubic root of 15145045 is about 247.4135738778.

Adding to 15145045 its reverse (54054151), we get a palindrome (69199196).

The spelling of 15145045 in words is "fifteen million, one hundred forty-five thousand, forty-five".