147950081 has 2 divisors, whose sum is σ = 147950082. Its totient is φ = 147950080.

The previous prime is 147950063. The next prime is 147950149. The reversal of 147950081 is 180059741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 1540081 = 12100^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 147950081 - 2¹⁰ = 147949057 is a prime.

It is a super-2 number, since 2×147950081² = 43778452935813122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147950021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73975040 + 73975041.

It is an arithmetic number, because the mean of its divisors is an integer number (73975041).

Almost surely, 2^147950081 is an apocalyptic number.

It is an amenable number.

147950081 is a deficient number, since it is larger than the sum of its proper divisors (1).

147950081 is an equidigital number, since it uses as much as digits as its factorization.

147950081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 147950081 is about 12163.4732293042. The cubic root of 147950081 is about 528.8977698232.

The spelling of 147950081 in words is "one hundred forty-seven million, nine hundred fifty thousand, eighty-one".