147990329 has 2 divisors, whose sum is σ = 147990330. Its totient is φ = 147990328.

The previous prime is 147990319. The next prime is 147990377. The reversal of 147990329 is 923099741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147671104 + 319225 = 12152^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 147990329 - 2⁴ = 147990313 is a prime.

It is a super-2 number, since 2×147990329² = 43802274955056482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147990329.

It is not a weakly prime, because it can be changed into another prime (147990319) 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 as a sum of consecutive naturals, namely, 73995164 + 73995165.

It is an arithmetic number, because the mean of its divisors is an integer number (73995165).

Almost surely, 2^147990329 is an apocalyptic number.

It is an amenable number.

147990329 is a deficient number, since it is larger than the sum of its proper divisors (1).

147990329 is an equidigital number, since it uses as much as digits as its factorization.

147990329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 147990329 is about 12165.1275784514. The cubic root of 147990329 is about 528.9457255195.

The spelling of 147990329 in words is "one hundred forty-seven million, nine hundred ninety thousand, three hundred twenty-nine".