15242355 has 24 divisors (see below), whose sum is σ = 26872560. Its totient is φ = 7990080.

The previous prime is 15242329. The next prime is 15242401. The reversal of 15242355 is 55324251.

It is a happy number.

15242355 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15242355 - 2⁶ = 15242291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (1119690).

Almost surely, 2^15242355 is an apocalyptic number.

15242355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15242355 is a deficient number, since it is larger than the sum of its proper divisors (11630205).

15242355 is a wasteful number, since it uses less digits than its factorization.

15242355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811 (or 5808 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 15242355 is about 3904.1458732993. The cubic root of 15242355 is about 247.9423372268.

The spelling of 15242355 in words is "fifteen million, two hundred forty-two thousand, three hundred fifty-five".