100542618 has 48 divisors (see below), whose sum is σ = 238320576. Its totient is φ = 30381120.

The previous prime is 100542601. The next prime is 100542647. The reversal of 100542618 is 816245001.

100542618 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 42 + 618 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 100542591 and 100542600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121755 + ... + 122577.

It is an arithmetic number, because the mean of its divisors is an integer number (4965012).

Almost surely, 2^100542618 is an apocalyptic number.

100542618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100542618 is an abundant number, since it is smaller than the sum of its proper divisors (137777958).

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

100542618 is a wasteful number, since it uses less digits than its factorization.

100542618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 100542618 is about 10027.0941952292. The cubic root of 100542618 is about 464.9969059801.

Adding to 100542618 its reverse (816245001), we get a palindrome (916787619).

The spelling of 100542618 in words is "one hundred million, five hundred forty-two thousand, six hundred eighteen".