147343481 has 2 divisors, whose sum is σ = 147343482. Its totient is φ = 147343480.

The previous prime is 147343447. The next prime is 147343501. The reversal of 147343481 is 184343741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118613881 + 28729600 = 10891^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 147343481 - 2¹⁰ = 147342457 is a prime.

It is a super-2 number, since 2×147343481² = 43420202786394722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147343421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73671740 + 73671741.

It is an arithmetic number, because the mean of its divisors is an integer number (73671741).

Almost surely, 2^147343481 is an apocalyptic number.

It is an amenable number.

147343481 is a deficient number, since it is larger than the sum of its proper divisors (1).

147343481 is an equidigital number, since it uses as much as digits as its factorization.

147343481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 147343481 is about 12138.5123058800. The cubic root of 147343481 is about 528.1739471738.

The spelling of 147343481 in words is "one hundred forty-seven million, three hundred forty-three thousand, four hundred eighty-one".