6154223745140 has 48 divisors (see below), whose sum is σ = 13114626864192. Its totient is φ = 2425578433536.

The previous prime is 6154223745107. The next prime is 6154223745149. The reversal of 6154223745140 is 415473224516.

It is a junction number, because it is equal to n+sod(n) for n = 6154223745091 and 6154223745100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6154223745149) 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, 6547022 + ... + 7427781.

It is an arithmetic number, because the mean of its divisors is an integer number (273221393004).

Almost surely, 2^{6154223745140} is an apocalyptic number.

It is an amenable number.

6154223745140 is an abundant number, since it is smaller than the sum of its proper divisors (6960403119052).

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

6154223745140 is a wasteful number, since it uses less digits than its factorization.

6154223745140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13975136 (or 13975134 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

Adding to 6154223745140 its reverse (415473224516), we get a palindrome (6569696969656).

The spelling of 6154223745140 in words is "six trillion, one hundred fifty-four billion, two hundred twenty-three million, seven hundred forty-five thousand, one hundred forty".