42644154 has 32 divisors (see below), whose sum is σ = 98052480. Its totient is φ = 12111552.

The previous prime is 42644153. The next prime is 42644167. The reversal of 42644154 is 45144624.

It is a happy number.

42644154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42644153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4332 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (3064140).

Almost surely, 2^42644154 is an apocalyptic number.

42644154 is an abundant number, since it is smaller than the sum of its proper divisors (55408326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42644154 is a wasteful number, since it uses less digits than its factorization.

42644154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054.

The product of its digits is 15360, while the sum is 30.

The square root of 42644154 is about 6530.2491529803. The cubic root of 42644154 is about 349.3707168764.

Adding to 42644154 its reverse (45144624), we get a palindrome (87788778).

The spelling of 42644154 in words is "forty-two million, six hundred forty-four thousand, one hundred fifty-four".