42428148 has 24 divisors (see below), whose sum is σ = 113141952. Its totient is φ = 12122304.

The previous prime is 42428147. The next prime is 42428161. The reversal of 42428148 is 84182424.

It is a super-3 number, since 3×42428148³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42428147) 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, 252465 + ... + 252632.

It is an arithmetic number, because the mean of its divisors is an integer number (4714248).

Almost surely, 2^42428148 is an apocalyptic number.

It is an amenable number.

42428148 is an abundant number, since it is smaller than the sum of its proper divisors (70713804).

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

42428148 is a wasteful number, since it uses less digits than its factorization.

42428148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505111 (or 505109 counting only the distinct ones).

The product of its digits is 16384, while the sum is 33.

The square root of 42428148 is about 6513.6892772069. The cubic root of 42428148 is about 348.7798273586.

The spelling of 42428148 in words is "forty-two million, four hundred twenty-eight thousand, one hundred forty-eight".