100415145 has 16 divisors (see below), whose sum is σ = 160856640. Its totient is φ = 53490624.

The previous prime is 100415137. The next prime is 100415153. The reversal of 100415145 is 541514001.

It is an interprime number because it is at equal distance from previous prime (100415137) and next prime (100415153).

It is not a de Polignac number, because 100415145 - 2³ = 100415137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10671 + ... + 17739.

It is an arithmetic number, because the mean of its divisors is an integer number (10053540).

Almost surely, 2^100415145 is an apocalyptic number.

100415145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100415145 is a deficient number, since it is larger than the sum of its proper divisors (60441495).

100415145 is an equidigital number, since it uses as much as digits as its factorization.

100415145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 100415145 is about 10020.7357514306. The cubic root of 100415145 is about 464.8003073640.

Adding to 100415145 its reverse (541514001), we get a palindrome (641929146).

The spelling of 100415145 in words is "one hundred million, four hundred fifteen thousand, one hundred forty-five".