42366145 has 16 divisors (see below), whose sum is σ = 51600960. Its totient is φ = 33390144.

The previous prime is 42366139. The next prime is 42366169. The reversal of 42366145 is 54166324.

It is a cyclic number.

It is not a de Polignac number, because 42366145 - 2⁹ = 42365633 is a prime.

It is a super-2 number, since 2×42366145² = 3589780484322050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184891 + ... + 185119.

It is an arithmetic number, because the mean of its divisors is an integer number (3225060).

Almost surely, 2^42366145 is an apocalyptic number.

It is an amenable number.

42366145 is a deficient number, since it is larger than the sum of its proper divisors (9234815).

42366145 is a wasteful number, since it uses less digits than its factorization.

42366145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its digits is 17280, while the sum is 31.

The square root of 42366145 is about 6508.9280991573. The cubic root of 42366145 is about 348.6098463482.

The spelling of 42366145 in words is "forty-two million, three hundred sixty-six thousand, one hundred forty-five".