42445054 has 8 divisors (see below), whose sum is σ = 64049328. Its totient is φ = 21095280.

The previous prime is 42445049. The next prime is 42445057. The reversal of 42445054 is 45054424.

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 (42445057) 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, 63207 + ... + 63874.

It is an arithmetic number, because the mean of its divisors is an integer number (8006166).

Almost surely, 2^42445054 is an apocalyptic number.

42445054 is a deficient number, since it is larger than the sum of its proper divisors (21604274).

42445054 is a wasteful number, since it uses less digits than its factorization.

42445054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127250.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 42445054 is about 6514.9868764258. The cubic root of 42445054 is about 348.8261463633.

Adding to 42445054 its reverse (45054424), we get a palindrome (87499478).

It can be divided in two parts, 42 and 445054, that added together give a triangular number (445096 = T₉₄₃).

The spelling of 42445054 in words is "forty-two million, four hundred forty-five thousand, fifty-four".