147920 has 30 divisors (see below), whose sum is σ = 352098. Its totient is φ = 57792.

The previous prime is 147919. The next prime is 147937. The reversal of 147920 is 29741.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 29584 = 344^2 + 172^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147920.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3419 + ... + 3461.

2¹⁴⁷⁹²⁰ is an apocalyptic number.

147920 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 147920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176049).

147920 is an abundant number, since it is smaller than the sum of its proper divisors (204178).

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

147920 is an equidigital number, since it uses as much as digits as its factorization.

147920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 147920 is about 384.6036921300. The cubic root of 147920 is about 52.8861922480.

The spelling of 147920 in words is "one hundred forty-seven thousand, nine hundred twenty".