147805330 has 16 divisors (see below), whose sum is σ = 266407704. Its totient is φ = 59042560.

The previous prime is 147805279. The next prime is 147805331. The reversal of 147805330 is 33508741.

It can be written as a sum of positive squares in 4 ways, for example, as 111576969 + 36228361 = 10563^2 + 6019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147805292 and 147805301.

It is not an unprimeable number, because it can be changed into a prime (147805331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1831 + ... + 17290.

Almost surely, 2^147805330 is an apocalyptic number.

147805330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147805330 is a deficient number, since it is larger than the sum of its proper divisors (118602374).

147805330 is a wasteful number, since it uses less digits than its factorization.

147805330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19901.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 147805330 is about 12157.5215401824. The cubic root of 147805330 is about 528.7252263504.

The spelling of 147805330 in words is "one hundred forty-seven million, eight hundred five thousand, three hundred thirty".