147720428544 has 528 divisors, whose sum is σ = 453117369600. Its totient is φ = 42678484992.

The previous prime is 147720428461. The next prime is 147720428561. The reversal of 147720428544 is 445824027741.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 147720428493 and 147720428502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1062736827 + ... + 1062736965.

Almost surely, 2^147720428544 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 147720428544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226558684800).

147720428544 is an abundant number, since it is smaller than the sum of its proper divisors (305396941056).

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

147720428544 is a wasteful number, since it uses less digits than its factorization.

147720428544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 48.

The spelling of 147720428544 in words is "one hundred forty-seven billion, seven hundred twenty million, four hundred twenty-eight thousand, five hundred forty-four".