42045567 has 4 divisors (see below), whose sum is σ = 56060760. Its totient is φ = 28030376.

The previous prime is 42045533. The next prime is 42045581. The reversal of 42045567 is 76554024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42045567 - 2⁷ = 42045439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045667) 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, 7007592 + ... + 7007597.

It is an arithmetic number, because the mean of its divisors is an integer number (14015190).

Almost surely, 2^42045567 is an apocalyptic number.

42045567 is a deficient number, since it is larger than the sum of its proper divisors (14015193).

42045567 is a wasteful number, since it uses less digits than its factorization.

42045567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015192.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 42045567 is about 6484.2553157629. The cubic root of 42045567 is about 347.7283270754.

The spelling of 42045567 in words is "forty-two million, forty-five thousand, five hundred sixty-seven".