15242248243 has 8 divisors (see below), whose sum is σ = 15769280880. Its totient is φ = 14715311520.

The previous prime is 15242248207. The next prime is 15242248253. The reversal of 15242248243 is 34284224251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15242248243 - 2³³ = 6652313651 is a prime.

It is a super-2 number, since 2×15242248243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15242248253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477153 + ... + 508093.

It is an arithmetic number, because the mean of its divisors is an integer number (1971160110).

Almost surely, 2^15242248243 is an apocalyptic number.

15242248243 is a deficient number, since it is larger than the sum of its proper divisors (527032637).

15242248243 is a wasteful number, since it uses less digits than its factorization.

15242248243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47957.

The product of its digits is 122880, while the sum is 37.

The spelling of 15242248243 in words is "fifteen billion, two hundred forty-two million, two hundred forty-eight thousand, two hundred forty-three".