42451105 has 16 divisors (see below), whose sum is σ = 53247744. Its totient is φ = 32457600.

The previous prime is 42451069. The next prime is 42451117. The reversal of 42451105 is 50115424.

It is not a de Polignac number, because 42451105 - 2⁷ = 42450977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8005 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (3327984).

Almost surely, 2^42451105 is an apocalyptic number.

It is an amenable number.

42451105 is a deficient number, since it is larger than the sum of its proper divisors (10796639).

42451105 is a wasteful number, since it uses less digits than its factorization.

42451105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42451105 is about 6515.4512506810. The cubic root of 42451105 is about 348.8427218848.

Adding to 42451105 its reverse (50115424), we get a palindrome (92566529).

It can be divided in two parts, 424 and 51105, that added together give a square (51529 = 227²).

The spelling of 42451105 in words is "forty-two million, four hundred fifty-one thousand, one hundred five".