42945485 has 32 divisors (see below), whose sum is σ = 62145792. Its totient is φ = 28103680.

The previous prime is 42945467. The next prime is 42945523. The reversal of 42945485 is 58454924.

It is not a de Polignac number, because 42945485 - 2⁶ = 42945421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20507 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (1942056).

Almost surely, 2^42945485 is an apocalyptic number.

It is an amenable number.

42945485 is a deficient number, since it is larger than the sum of its proper divisors (19200307).

42945485 is a wasteful number, since it uses less digits than its factorization.

42945485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its digits is 230400, while the sum is 41.

The square root of 42945485 is about 6553.2804762195. The cubic root of 42945485 is about 350.1916909123.

It can be divided in two parts, 4294 and 5485, that added together give a palindrome (9779).

The spelling of 42945485 in words is "forty-two million, nine hundred forty-five thousand, four hundred eighty-five".