42945463 has 8 divisors (see below), whose sum is σ = 47074176. Its totient is φ = 38854200.

The previous prime is 42945443. The next prime is 42945467. The reversal of 42945463 is 36454924.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42945463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42945467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6931 + ... + 11572.

It is an arithmetic number, because the mean of its divisors is an integer number (5884272).

Almost surely, 2^42945463 is an apocalyptic number.

42945463 is a deficient number, since it is larger than the sum of its proper divisors (4128713).

42945463 is a wasteful number, since it uses less digits than its factorization.

42945463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18725.

The product of its digits is 103680, while the sum is 37.

The square root of 42945463 is about 6553.2787976707. The cubic root of 42945463 is about 350.1916311139.

The spelling of 42945463 in words is "forty-two million, nine hundred forty-five thousand, four hundred sixty-three".