104115145 has 4 divisors (see below), whose sum is σ = 124938180. Its totient is φ = 83292112.

The previous prime is 104115131. The next prime is 104115197. The reversal of 104115145 is 541511401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541511401 = 15287 ⋅35423.

It can be written as a sum of positive squares in 2 ways, for example, as 68211081 + 35904064 = 8259^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 104115145 - 2¹⁷ = 103984073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10411510 + ... + 10411519.

It is an arithmetic number, because the mean of its divisors is an integer number (31234545).

Almost surely, 2^104115145 is an apocalyptic number.

It is an amenable number.

104115145 is a deficient number, since it is larger than the sum of its proper divisors (20823035).

104115145 is an equidigital number, since it uses as much as digits as its factorization.

104115145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20823034.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 104115145 is about 10203.6829135367. The cubic root of 104115145 is about 470.4404276561.

Adding to 104115145 its reverse (541511401), we get a palindrome (645626546).

The spelling of 104115145 in words is "one hundred four million, one hundred fifteen thousand, one hundred forty-five".