42905542 has 8 divisors (see below), whose sum is σ = 64503000. Its totient is φ = 21404544.

The previous prime is 42905539. The next prime is 42905543. The reversal of 42905542 is 24550924.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42905543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22992 + ... + 24787.

It is an arithmetic number, because the mean of its divisors is an integer number (8062875).

Almost surely, 2^42905542 is an apocalyptic number.

42905542 is a deficient number, since it is larger than the sum of its proper divisors (21597458).

42905542 is a wasteful number, since it uses less digits than its factorization.

42905542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48230.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 42905542 is about 6550.2322096243. The cubic root of 42905542 is about 350.0830877569.

The spelling of 42905542 in words is "forty-two million, nine hundred five thousand, five hundred forty-two".