15240452 has 12 divisors (see below), whose sum is σ = 26698140. Its totient is φ = 7612416.

The previous prime is 15240439. The next prime is 15240497. The reversal of 15240452 is 25404251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 4910656 = 3214^2 + 2216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6548 + ... + 8564.

It is an arithmetic number, because the mean of its divisors is an integer number (2224845).

Almost surely, 2^15240452 is an apocalyptic number.

It is an amenable number.

15240452 is a deficient number, since it is larger than the sum of its proper divisors (11457688).

15240452 is a wasteful number, since it uses less digits than its factorization.

15240452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910 (or 3908 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 15240452 is about 3903.9021504131. The cubic root of 15240452 is about 247.9320183073.

It can be divided in two parts, 152 and 40452, that added together give a palindrome (40604).

The spelling of 15240452 in words is "fifteen million, two hundred forty thousand, four hundred fifty-two".