42011345 has 8 divisors (see below), whose sum is σ = 51166464. Its totient is φ = 33107184.

The previous prime is 42011341. The next prime is 42011353. The reversal of 42011345 is 54311024.

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 42011345 - 2² = 42011341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42011341) 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, 62369 + ... + 63038.

It is an arithmetic number, because the mean of its divisors is an integer number (6395808).

Almost surely, 2^42011345 is an apocalyptic number.

It is an amenable number.

42011345 is a deficient number, since it is larger than the sum of its proper divisors (9155119).

42011345 is a wasteful number, since it uses less digits than its factorization.

42011345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125479.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42011345 is about 6481.6159250607. The cubic root of 42011345 is about 347.6339597046.

Adding to 42011345 its reverse (54311024), we get a palindrome (96322369).

The spelling of 42011345 in words is "forty-two million, eleven thousand, three hundred forty-five".