42554148 has 144 divisors (see below), whose sum is σ = 131382720. Its totient is φ = 10596096.

The previous prime is 42554147. The next prime is 42554159. The reversal of 42554148 is 84145524.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 145090 + ... + 145382.

It is an arithmetic number, because the mean of its divisors is an integer number (912380).

Almost surely, 2^42554148 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 42554148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65691360).

42554148 is an abundant number, since it is smaller than the sum of its proper divisors (88828572).

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

42554148 is a wasteful number, since it uses less digits than its factorization.

42554148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 337 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 42554148 is about 6523.3540452746. The cubic root of 42554148 is about 349.1247463896.

The spelling of 42554148 in words is "forty-two million, five hundred fifty-four thousand, one hundred forty-eight".