104143021245 has 64 divisors (see below), whose sum is σ = 190078099200. Its totient is φ = 54078485760.

The previous prime is 104143021243. The next prime is 104143021247. The reversal of 104143021245 is 542120341401.

104143021245 is a `hidden beast` number, since 1 + 0 + 414 + 3 + 0 + 2 + 1 + 245 = 666.

It is an interprime number because it is at equal distance from previous prime (104143021243) and next prime (104143021247).

It is not a de Polignac number, because 104143021245 - 2¹ = 104143021243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104143021243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 881751 + ... + 992859.

It is an arithmetic number, because the mean of its divisors is an integer number (2969970300).

Almost surely, 2^104143021245 is an apocalyptic number.

104143021245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104143021245 is a deficient number, since it is larger than the sum of its proper divisors (85935077955).

104143021245 is a wasteful number, since it uses less digits than its factorization.

104143021245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111307 (or 111301 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 104143021245 its reverse (542120341401), we get a palindrome (646263362646).

The spelling of 104143021245 in words is "one hundred four billion, one hundred forty-three million, twenty-one thousand, two hundred forty-five".