15133544242 has 8 divisors (see below), whose sum is σ = 22920708096. Its totient is φ = 7493308212.

The previous prime is 15133544219. The next prime is 15133544243. The reversal of 15133544242 is 24244533151.

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

It is a super-2 number, since 2×15133544242² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15133544198 and 15133544207.

It is not an unprimeable number, because it can be changed into a prime (15133544243) 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, 36731698 + ... + 36732109.

It is an arithmetic number, because the mean of its divisors is an integer number (2865088512).

Almost surely, 2^15133544242 is an apocalyptic number.

15133544242 is a deficient number, since it is larger than the sum of its proper divisors (7787163854).

15133544242 is a wasteful number, since it uses less digits than its factorization.

15133544242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73463912.

The product of its digits is 57600, while the sum is 34.

The spelling of 15133544242 in words is "fifteen billion, one hundred thirty-three million, five hundred forty-four thousand, two hundred forty-two".