100345115 has 16 divisors (see below), whose sum is σ = 129914400. Its totient is φ = 73965312.

The previous prime is 100345057. The next prime is 100345117. The reversal of 100345115 is 511543001.

It is a cyclic number.

It is not a de Polignac number, because 100345115 - 2¹⁴ = 100328731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100345117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46991 + ... + 49079.

It is an arithmetic number, because the mean of its divisors is an integer number (8119650).

Almost surely, 2^100345115 is an apocalyptic number.

100345115 is a deficient number, since it is larger than the sum of its proper divisors (29569285).

100345115 is a wasteful number, since it uses less digits than its factorization.

100345115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 100345115 is about 10017.2408875898. The cubic root of 100345115 is about 464.6922309203.

Adding to 100345115 its reverse (511543001), we get a palindrome (611888116).

The spelling of 100345115 in words is "one hundred million, three hundred forty-five thousand, one hundred fifteen".