147945013 has 2 divisors, whose sum is σ = 147945014. Its totient is φ = 147945012.

The previous prime is 147944987. The next prime is 147945019. The reversal of 147945013 is 310549741.

147945013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75047569 + 72897444 = 8663^2 + 8538^2 .

It is a cyclic number.

It is not a de Polignac number, because 147945013 - 2²¹ = 145847861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147945013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147945019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73972506 + 73972507.

It is an arithmetic number, because the mean of its divisors is an integer number (73972507).

Almost surely, 2^147945013 is an apocalyptic number.

It is an amenable number.

147945013 is a deficient number, since it is larger than the sum of its proper divisors (1).

147945013 is an equidigital number, since it uses as much as digits as its factorization.

147945013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 147945013 is about 12163.2648988666. The cubic root of 147945013 is about 528.8917306590.

The spelling of 147945013 in words is "one hundred forty-seven million, nine hundred forty-five thousand, thirteen".