100101345 has 16 divisors (see below), whose sum is σ = 160734912. Its totient is φ = 53196480.

The previous prime is 100101343. The next prime is 100101371. The reversal of 100101345 is 543101001.

It is not a de Polignac number, because 100101345 - 2¹ = 100101343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (100101343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7546 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (10045932).

Almost surely, 2^100101345 is an apocalyptic number.

100101345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100101345 is a deficient number, since it is larger than the sum of its proper divisors (60633567).

100101345 is a wasteful number, since it uses less digits than its factorization.

100101345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23872.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 100101345 is about 10005.0659667990. The cubic root of 100101345 is about 464.3156310280.

Adding to 100101345 its reverse (543101001), we get a palindrome (643202346).

The spelling of 100101345 in words is "one hundred million, one hundred one thousand, three hundred forty-five".