148565761 has 2 divisors, whose sum is σ = 148565762. Its totient is φ = 148565760.

The previous prime is 148565749. The next prime is 148565779. The reversal of 148565761 is 167565841.

148565761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127690000 + 20875761 = 11300^2 + 4569^2 .

It is a cyclic number.

It is not a de Polignac number, because 148565761 - 2¹¹ = 148563713 is a prime.

It is not a weakly prime, because it can be changed into another prime (148565701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74282880 + 74282881.

It is an arithmetic number, because the mean of its divisors is an integer number (74282881).

Almost surely, 2^148565761 is an apocalyptic number.

It is an amenable number.

148565761 is a deficient number, since it is larger than the sum of its proper divisors (1).

148565761 is an equidigital number, since it uses as much as digits as its factorization.

148565761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 148565761 is about 12188.7555148177. The cubic root of 148565761 is about 529.6304068564.

The spelling of 148565761 in words is "one hundred forty-eight million, five hundred sixty-five thousand, seven hundred sixty-one".