42365345 has 32 divisors (see below), whose sum is σ = 59304960. Its totient is φ = 28728000.

The previous prime is 42365339. The next prime is 42365381. The reversal of 42365345 is 54356324.

It is not a de Polignac number, because 42365345 - 2⁴ = 42365329 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 73910 + ... + 74480.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 2^42365345 is an apocalyptic number.

It is an amenable number.

42365345 is a deficient number, since it is larger than the sum of its proper divisors (16939615).

42365345 is a wasteful number, since it uses less digits than its factorization.

42365345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 43200, while the sum is 32.

The square root of 42365345 is about 6508.8666448161. The cubic root of 42365345 is about 348.6076520676.

The spelling of 42365345 in words is "forty-two million, three hundred sixty-five thousand, three hundred forty-five".