42454252 has 12 divisors (see below), whose sum is σ = 76691776. Its totient is φ = 20542320.

The previous prime is 42454177. The next prime is 42454267. The reversal of 42454252 is 25245424.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42454252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171063 + ... + 171310.

Almost surely, 2^42454252 is an apocalyptic number.

It is an amenable number.

42454252 is a deficient number, since it is larger than the sum of its proper divisors (34237524).

42454252 is a wasteful number, since it uses less digits than its factorization.

42454252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342408 (or 342406 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 42454252 is about 6515.6927490483. The cubic root of 42454252 is about 348.8513418482.

Adding to 42454252 its reverse (25245424), we get a palindrome (67699676).

The spelling of 42454252 in words is "forty-two million, four hundred fifty-four thousand, two hundred fifty-two".