42446045 has 8 divisors (see below), whose sum is σ = 51052896. Its totient is φ = 33878416.

The previous prime is 42446039. The next prime is 42446101. The reversal of 42446045 is 54064424.

It is a happy number.

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 42446045 - 2¹⁰ = 42445021 is a prime.

It is a super-2 number, since 2×42446045² = 3603333472284050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42445999 and 42446017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7367 + ... + 11796.

It is an arithmetic number, because the mean of its divisors is an integer number (6381612).

Almost surely, 2^42446045 is an apocalyptic number.

It is an amenable number.

42446045 is a deficient number, since it is larger than the sum of its proper divisors (8606851).

42446045 is a wasteful number, since it uses less digits than its factorization.

42446045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19611.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 42446045 is about 6515.0629313921. The cubic root of 42446045 is about 348.8288611203.

The spelling of 42446045 in words is "forty-two million, four hundred forty-six thousand, forty-five".