101404405345 has 4 divisors (see below), whose sum is σ = 121685286420. Its totient is φ = 81123524272.

The previous prime is 101404405321. The next prime is 101404405363. The reversal of 101404405345 is 543504404101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543504404101 = 3677 ⋅147811913.

It can be written as a sum of positive squares in 2 ways, for example, as 72559119424 + 28845285921 = 269368^2 + 169839^2 .

It is a cyclic number.

It is not a de Polignac number, because 101404405345 - 2¹⁹ = 101403881057 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 10140440530 + ... + 10140440539.

It is an arithmetic number, because the mean of its divisors is an integer number (30421321605).

Almost surely, 2^101404405345 is an apocalyptic number.

It is an amenable number.

101404405345 is a deficient number, since it is larger than the sum of its proper divisors (20280881075).

101404405345 is an equidigital number, since it uses as much as digits as its factorization.

101404405345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280881074.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 101404405345 its reverse (543504404101), we get a palindrome (644908809446).

The spelling of 101404405345 in words is "one hundred one billion, four hundred four million, four hundred five thousand, three hundred forty-five".