100442552 has 48 divisors (see below), whose sum is σ = 221616000. Its totient is φ = 42548352.

The previous prime is 100442543. The next prime is 100442557. The reversal of 100442552 is 255244001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100442557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33449 + ... + 36327.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000).

Almost surely, 2^100442552 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 100442552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110808000).

100442552 is an abundant number, since it is smaller than the sum of its proper divisors (121173448).

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

100442552 is a wasteful number, since it uses less digits than its factorization.

100442552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 100442552 is about 10022.1031724883. The cubic root of 100442552 is about 464.8425905715.

Adding to 100442552 its reverse (255244001), we get a palindrome (355686553).

The spelling of 100442552 in words is "one hundred million, four hundred forty-two thousand, five hundred fifty-two".