104628145 has 4 divisors (see below), whose sum is σ = 125553780. Its totient is φ = 83702512.

The previous prime is 104628109. The next prime is 104628197. The reversal of 104628145 is 541826401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34621456 + 70006689 = 5884^2 + 8367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104628145 is a prime.

It is a super-2 number, since 2×104628145² = 21894097452282050, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10462810 + ... + 10462819.

It is an arithmetic number, because the mean of its divisors is an integer number (31388445).

Almost surely, 2^104628145 is an apocalyptic number.

It is an amenable number.

104628145 is a deficient number, since it is larger than the sum of its proper divisors (20925635).

104628145 is an equidigital number, since it uses as much as digits as its factorization.

104628145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20925634.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 104628145 is about 10228.7900066430. The cubic root of 104628145 is about 471.2118192652.

The spelling of 104628145 in words is "one hundred four million, six hundred twenty-eight thousand, one hundred forty-five".