15223045242 has 8 divisors (see below), whose sum is σ = 30446090496. Its totient is φ = 5074348412.

The previous prime is 15223045231. The next prime is 15223045273. The reversal of 15223045242 is 24254032251.

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

15223045242 is an admirable number.

It is a super-2 number, since 2×15223045242² (a number of 21 digits) contains 22 as substring.

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, 1268587098 + ... + 1268587109.

It is an arithmetic number, because the mean of its divisors is an integer number (3805761312).

Almost surely, 2^15223045242 is an apocalyptic number.

15223045242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15223045242 is a wasteful number, since it uses less digits than its factorization.

15223045242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537174212.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 15223045242 its reverse (24254032251), we get a palindrome (39477077493).

The spelling of 15223045242 in words is "fifteen billion, two hundred twenty-three million, forty-five thousand, two hundred forty-two".