42045352 has 16 divisors (see below), whose sum is σ = 83472660. Its totient is φ = 19785984.

The previous prime is 42045323. The next prime is 42045427. The reversal of 42045352 is 25354024.

It can be written as a sum of positive squares in 2 ways, for example, as 41809156 + 236196 = 6466^2 + 486^2 .

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 3 ways as a sum of consecutive naturals, for example, 154443 + ... + 154714.

Almost surely, 2^42045352 is an apocalyptic number.

It is an amenable number.

42045352 is a deficient number, since it is larger than the sum of its proper divisors (41427308).

42045352 is a wasteful number, since it uses less digits than its factorization.

42045352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309180 (or 309176 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42045352 is about 6484.2387371225. The cubic root of 42045352 is about 347.7277343714.

Adding to 42045352 its reverse (25354024), we get a palindrome (67399376).

The spelling of 42045352 in words is "forty-two million, forty-five thousand, three hundred fifty-two".