104154439 has 2 divisors, whose sum is σ = 104154440. Its totient is φ = 104154438.

The previous prime is 104154403. The next prime is 104154443. The reversal of 104154439 is 934451401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104154439 - 2¹³ = 104146247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104154439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104154499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52077219 + 52077220.

It is an arithmetic number, because the mean of its divisors is an integer number (52077220).

Almost surely, 2^104154439 is an apocalyptic number.

104154439 is a deficient number, since it is larger than the sum of its proper divisors (1).

104154439 is an equidigital number, since it uses as much as digits as its factorization.

104154439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 104154439 is about 10205.6082131346. The cubic root of 104154439 is about 470.4996030403.

The spelling of 104154439 in words is "one hundred four million, one hundred fifty-four thousand, four hundred thirty-nine".