42533945 has 8 divisors (see below), whose sum is σ = 51802944. Its totient is φ = 33519024.

The previous prime is 42533941. The next prime is 42533963. The reversal of 42533945 is 54933524.

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 42533945 - 2² = 42533941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42533941) 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, 63149 + ... + 63818.

It is an arithmetic number, because the mean of its divisors is an integer number (6475368).

Almost surely, 2^42533945 is an apocalyptic number.

It is an amenable number.

42533945 is a deficient number, since it is larger than the sum of its proper divisors (9268999).

42533945 is a wasteful number, since it uses less digits than its factorization.

42533945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127039.

The product of its digits is 64800, while the sum is 35.

The square root of 42533945 is about 6521.8053482146. The cubic root of 42533945 is about 349.0694875089.

The spelling of 42533945 in words is "forty-two million, five hundred thirty-three thousand, nine hundred forty-five".