100542345 has 8 divisors (see below), whose sum is σ = 160867776. Its totient is φ = 53622576.

The previous prime is 100542341. The next prime is 100542371. The reversal of 100542345 is 543245001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100542345 - 2² = 100542341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100542341) 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, 3351397 + ... + 3351426.

It is an arithmetic number, because the mean of its divisors is an integer number (20108472).

Almost surely, 2^100542345 is an apocalyptic number.

100542345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100542345 is a deficient number, since it is larger than the sum of its proper divisors (60325431).

100542345 is an equidigital number, since it uses as much as digits as its factorization.

100542345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702831.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 100542345 is about 10027.0805821036. The cubic root of 100542345 is about 464.9964851162.

Adding to 100542345 its reverse (543245001), we get a palindrome (643787346).

The spelling of 100542345 in words is "one hundred million, five hundred forty-two thousand, three hundred forty-five".