42903345 has 8 divisors (see below), whose sum is σ = 68645376. Its totient is φ = 22881776.

The previous prime is 42903319. The next prime is 42903347. The reversal of 42903345 is 54330924.

42903345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42903345 - 2¹⁷ = 42772273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42903347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430097 + ... + 1430126.

It is an arithmetic number, because the mean of its divisors is an integer number (8580672).

Almost surely, 2^42903345 is an apocalyptic number.

It is an amenable number.

42903345 is a deficient number, since it is larger than the sum of its proper divisors (25742031).

42903345 is a wasteful number, since it uses less digits than its factorization.

42903345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860231.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 42903345 is about 6550.0645034992. The cubic root of 42903345 is about 350.0771122610.

The spelling of 42903345 in words is "forty-two million, nine hundred three thousand, three hundred forty-five".