33530115142 has 16 divisors (see below), whose sum is σ = 50671483632. Its totient is φ = 16639665280.

The previous prime is 33530115137. The next prime is 33530115169. The reversal of 33530115142 is 24151103533.

It is a happy number.

It is a super-2 number, since 2×33530115142² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33530115142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778642 + ... + 2790682.

It is an arithmetic number, because the mean of its divisors is an integer number (3166967727).

Almost surely, 2^33530115142 is an apocalyptic number.

33530115142 is a deficient number, since it is larger than the sum of its proper divisors (17141368490).

33530115142 is a wasteful number, since it uses less digits than its factorization.

33530115142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22343.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 33530115142 its reverse (24151103533), we get a palindrome (57681218675).

The spelling of 33530115142 in words is "thirty-three billion, five hundred thirty million, one hundred fifteen thousand, one hundred forty-two".