147881320 has 16 divisors (see below), whose sum is σ = 332733060. Its totient is φ = 59152512.

The previous prime is 147881299. The next prime is 147881333. The reversal of 147881320 is 23188741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 147719716 + 161604 = 12154^2 + 402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848477 + ... + 1848556.

Almost surely, 2^147881320 is an apocalyptic number.

147881320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147881320 is an abundant number, since it is smaller than the sum of its proper divisors (184851740).

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

147881320 is a wasteful number, since it uses less digits than its factorization.

147881320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697044 (or 3697040 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 147881320 is about 12160.6463644002. The cubic root of 147881320 is about 528.8158206171.

The spelling of 147881320 in words is "one hundred forty-seven million, eight hundred eighty-one thousand, three hundred twenty".