100542250 has 64 divisors (see below), whose sum is σ = 204501024. Its totient is φ = 36864000.

The previous prime is 100542227. The next prime is 100542263. The reversal of 100542250 is 52245001.

It can be written as a sum of positive squares in 16 ways, for example, as 1521 + 100540729 = 39^2 + 10027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173962 + ... + 174538.

Almost surely, 2^100542250 is an apocalyptic number.

100542250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100542250 is an abundant number, since it is smaller than the sum of its proper divisors (103958774).

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

100542250 is a wasteful number, since it uses less digits than its factorization.

100542250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 100542250 is about 10027.0758449311. The cubic root of 100542250 is about 464.9963386616.

Adding to 100542250 its reverse (52245001), we get a palindrome (152787251).

The spelling of 100542250 in words is "one hundred million, five hundred forty-two thousand, two hundred fifty".