405123102450445 has 8 divisors (see below), whose sum is σ = 486147852159840. Its totient is φ = 324098395814160.

The previous prime is 405123102450401. The next prime is 405123102450457. The reversal of 405123102450445 is 544054201321504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405123102450445 - 2²³ = 405123094061837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405123102450398 and 405123102450407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15950830 + ... + 32629360.

It is an arithmetic number, because the mean of its divisors is an integer number (60768481519980).

Almost surely, 2^{405123102450445} is an apocalyptic number.

It is an amenable number.

405123102450445 is a deficient number, since it is larger than the sum of its proper divisors (81024749709395).

405123102450445 is a wasteful number, since it uses less digits than its factorization.

405123102450445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536555.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 405123102450445 its reverse (544054201321504), we get a palindrome (949177303771949).

The spelling of 405123102450445 in words is "four hundred five trillion, one hundred twenty-three billion, one hundred two million, four hundred fifty thousand, four hundred forty-five".