100421406045 has 192 divisors, whose sum is σ = 195113318400. Its totient is φ = 49432965120.

The previous prime is 100421405989. The next prime is 100421406053. The reversal of 100421406045 is 540604124001.

100421406045 is a `hidden beast` number, since 1 + 0 + 0 + 42 + 14 + 0 + 604 + 5 = 666.

It is not a de Polignac number, because 100421406045 - 2¹⁷ = 100421274973 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 97212849 + ... + 97213881.

It is an arithmetic number, because the mean of its divisors is an integer number (1016215200).

Almost surely, 2^100421406045 is an apocalyptic number.

100421406045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100421406045 is a deficient number, since it is larger than the sum of its proper divisors (94691912355).

100421406045 is a wasteful number, since it uses less digits than its factorization.

100421406045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1190 counting only the distinct ones).

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

The spelling of 100421406045 in words is "one hundred billion, four hundred twenty-one million, four hundred six thousand, forty-five".