104145550 has 24 divisors (see below), whose sum is σ = 194184000. Its totient is φ = 41556480.

The previous prime is 104145539. The next prime is 104145551. The reversal of 104145550 is 55541401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104145551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20131 + ... + 24769.

It is an arithmetic number, because the mean of its divisors is an integer number (8091000).

Almost surely, 2^104145550 is an apocalyptic number.

104145550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104145550 is a deficient number, since it is larger than the sum of its proper divisors (90038450).

104145550 is a wasteful number, since it uses less digits than its factorization.

104145550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 104145550 is about 10205.1727079947. The cubic root of 104145550 is about 470.4862178212.

Adding to 104145550 its reverse (55541401), we get a palindrome (159686951).

The spelling of 104145550 in words is "one hundred four million, one hundred forty-five thousand, five hundred fifty".