42342145033 has 4 divisors (see below), whose sum is σ = 42343447680. Its totient is φ = 42340842388.

The previous prime is 42342145019. The next prime is 42342145039. The reversal of 42342145033 is 33054124324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42342145033 - 2³³ = 33752210441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42342144986 and 42342145004.

It is not an unprimeable number, because it can be changed into a prime (42342145039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 601285 + ... + 668002.

It is an arithmetic number, because the mean of its divisors is an integer number (10585861920).

Almost surely, 2^42342145033 is an apocalyptic number.

It is an amenable number.

42342145033 is a deficient number, since it is larger than the sum of its proper divisors (1302647).

42342145033 is a wasteful number, since it uses less digits than its factorization.

42342145033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302646.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 42342145033 its reverse (33054124324), we get a palindrome (75396269357).

The spelling of 42342145033 in words is "forty-two billion, three hundred forty-two million, one hundred forty-five thousand, thirty-three".