6147155448 has 280 divisors, whose sum is σ = 20205853800. Its totient is φ = 1752329376.

The previous prime is 6147155407. The next prime is 6147155459. The reversal of 6147155448 is 8445517416.

6147155448 is a `hidden beast` number, since 61 + 47 + 1 + 5 + 544 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 14002413 + ... + 14002851.

Almost surely, 2^6147155448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6147155448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10102926900).

6147155448 is an abundant number, since it is smaller than the sum of its proper divisors (14058698352).

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

6147155448 is an frugal number, since it uses more digits than its factorization.

6147155448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 451 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 6147155448 is about 78403.7974080338. The cubic root of 6147155448 is about 1831.8562835780.

The spelling of 6147155448 in words is "six billion, one hundred forty-seven million, one hundred fifty-five thousand, four hundred forty-eight".