104891245 has 8 divisors (see below), whose sum is σ = 127024920. Its totient is φ = 83142720.

The previous prime is 104891159. The next prime is 104891249. The reversal of 104891245 is 542198401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25431849 + 79459396 = 5043^2 + 8914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104891245 - 2⁷ = 104891117 is a prime.

It is a super-2 number, since 2×104891245² = 22004346555300050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104891245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104891249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95686 + ... + 96775.

It is an arithmetic number, because the mean of its divisors is an integer number (15878115).

Almost surely, 2^104891245 is an apocalyptic number.

It is an amenable number.

104891245 is a deficient number, since it is larger than the sum of its proper divisors (22133675).

104891245 is a wasteful number, since it uses less digits than its factorization.

104891245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192575.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 104891245 is about 10241.6426905062. The cubic root of 104891245 is about 471.6064615074.

The spelling of 104891245 in words is "one hundred four million, eight hundred ninety-one thousand, two hundred forty-five".