100552542 has 16 divisors (see below), whose sum is σ = 201465360. Its totient is φ = 33457472.

The previous prime is 100552489. The next prime is 100552547. The reversal of 100552542 is 245255001.

It is a happy number.

It is a super-2 number, since 2×100552542² = 20221627405323528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100552547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11313 + ... + 18140.

It is an arithmetic number, because the mean of its divisors is an integer number (12591585).

Almost surely, 2^100552542 is an apocalyptic number.

100552542 is an abundant number, since it is smaller than the sum of its proper divisors (100912818).

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

100552542 is a wasteful number, since it uses less digits than its factorization.

100552542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30027.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 100552542 is about 10027.5890422374. The cubic root of 100552542 is about 465.0122045588.

The spelling of 100552542 in words is "one hundred million, five hundred fifty-two thousand, five hundred forty-two".