15145253 has 4 divisors (see below), whose sum is σ = 15295308. Its totient is φ = 14995200.

The previous prime is 15145243. The next prime is 15145307. The reversal of 15145253 is 35254151.

15145253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35254151 = 101 ⋅349051.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 6723649 = 2902^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 15145253 - 2⁶ = 15145189 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 (15145243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74876 + ... + 75077.

It is an arithmetic number, because the mean of its divisors is an integer number (3823827).

Almost surely, 2^15145253 is an apocalyptic number.

It is an amenable number.

15145253 is a deficient number, since it is larger than the sum of its proper divisors (150055).

15145253 is a wasteful number, since it uses less digits than its factorization.

15145253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150054.

The product of its digits is 3000, while the sum is 26.

The square root of 15145253 is about 3891.6902497501. The cubic root of 15145253 is about 247.4147065208.

The spelling of 15145253 in words is "fifteen million, one hundred forty-five thousand, two hundred fifty-three".