42554144 has 48 divisors (see below), whose sum is σ = 87026688. Its totient is φ = 20466432.

The previous prime is 42554123. The next prime is 42554147. The reversal of 42554144 is 44145524.

It is not an unprimeable number, because it can be changed into a prime (42554147) 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, 150227 + ... + 150509.

It is an arithmetic number, because the mean of its divisors is an integer number (1813056).

Almost surely, 2^42554144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42554144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43513344).

42554144 is an abundant number, since it is smaller than the sum of its proper divisors (44472544).

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

42554144 is a wasteful number, since it uses less digits than its factorization.

42554144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 42554144 is about 6523.3537386838. The cubic root of 42554144 is about 349.1247354506.

Adding to 42554144 its reverse (44145524), we get a palindrome (86699668).

The spelling of 42554144 in words is "forty-two million, five hundred fifty-four thousand, one hundred forty-four".