147553615872 has 256 divisors, whose sum is σ = 470855868000. Its totient is φ = 45397573632.

The previous prime is 147553615849. The next prime is 147553615873. The reversal of 147553615872 is 278516355741.

147553615872 is a `hidden beast` number, since 1 + 4 + 7 + 5 + 53 + 6 + 1 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147553615873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11495154 + ... + 11507982.

Almost surely, 2^147553615872 is an apocalyptic number.

147553615872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147553615872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235427934000).

147553615872 is an abundant number, since it is smaller than the sum of its proper divisors (323302252128).

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

147553615872 is an equidigital number, since it uses as much as digits as its factorization.

147553615872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12881 (or 12847 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The spelling of 147553615872 in words is "one hundred forty-seven billion, five hundred fifty-three million, six hundred fifteen thousand, eight hundred seventy-two".