104145302421 has 16 divisors (see below), whose sum is σ = 160997569920. Its totient is φ = 66411496800.

The previous prime is 104145302419. The next prime is 104145302441. The reversal of 104145302421 is 124203541401.

104145302421 is a `hidden beast` number, since 1 + 0 + 414 + 5 + 3 + 0 + 242 + 1 = 666.

It is not a de Polignac number, because 104145302421 - 2¹ = 104145302419 is a prime.

It is a super-2 number, since 2×104145302421² (a number of 23 digits) contains 22 as substring.

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 (104145302441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83852280 + ... + 83853521.

It is an arithmetic number, because the mean of its divisors is an integer number (10062348120).

Almost surely, 2^104145302421 is an apocalyptic number.

It is an amenable number.

104145302421 is a deficient number, since it is larger than the sum of its proper divisors (56852267499).

104145302421 is a wasteful number, since it uses less digits than its factorization.

104145302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167705833 (or 167705827 counting only the distinct ones).

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

Adding to 104145302421 its reverse (124203541401), we get a palindrome (228348843822).

The spelling of 104145302421 in words is "one hundred four billion, one hundred forty-five million, three hundred two thousand, four hundred twenty-one".