104555149 has 2 divisors, whose sum is σ = 104555150. Its totient is φ = 104555148.

The previous prime is 104555141. The next prime is 104555177. The reversal of 104555149 is 941555401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 14115049 = 9510^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 104555149 - 2³ = 104555141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104555141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52277574 + 52277575.

It is an arithmetic number, because the mean of its divisors is an integer number (52277575).

Almost surely, 2^104555149 is an apocalyptic number.

It is an amenable number.

104555149 is a deficient number, since it is larger than the sum of its proper divisors (1).

104555149 is an equidigital number, since it uses as much as digits as its factorization.

104555149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 104555149 is about 10225.2212201008. The cubic root of 104555149 is about 471.1022101977.

The spelling of 104555149 in words is "one hundred four million, five hundred fifty-five thousand, one hundred forty-nine".