147820580 has 48 divisors (see below), whose sum is σ = 322600320. Its totient is φ = 56851200.

The previous prime is 147820573. The next prime is 147820597. The reversal of 147820580 is 85028741.

It is a self number, because there is not a number n which added to its sum of digits gives 147820580.

It is an unprimeable number.

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, 56951 + ... + 59489.

It is an arithmetic number, because the mean of its divisors is an integer number (6720840).

Almost surely, 2^147820580 is an apocalyptic number.

147820580 is a gapful number since it is divisible by the number (10) 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 147820580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161300160).

147820580 is an abundant number, since it is smaller than the sum of its proper divisors (174779740).

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

147820580 is a wasteful number, since it uses less digits than its factorization.

147820580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 147820580 is about 12158.1487077597. The cubic root of 147820580 is about 528.7434096875.

The spelling of 147820580 in words is "one hundred forty-seven million, eight hundred twenty thousand, five hundred eighty".