104145302500 has 120 divisors (see below), whose sum is σ = 236079930240. Its totient is φ = 40160208000.

The previous prime is 104145302477. The next prime is 104145302579. The reversal of 104145302500 is 5203541401.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7865886 + ... + 7879114.

It is an arithmetic number, because the mean of its divisors is an integer number (1967332752).

Almost surely, 2^104145302500 is an apocalyptic number.

104145302500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104145302500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118039965120).

104145302500 is an abundant number, since it is smaller than the sum of its proper divisors (131934627740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104145302500 is a wasteful number, since it uses less digits than its factorization.

104145302500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367 (or 13350 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 104145302500 its reverse (5203541401), we get a palindrome (109348843901).

The spelling of 104145302500 in words is "one hundred four billion, one hundred forty-five million, three hundred two thousand, five hundred".