150730561 has 2 divisors, whose sum is σ = 150730562. Its totient is φ = 150730560.

The previous prime is 150730543. The next prime is 150730607. The reversal of 150730561 is 165037051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137334961 + 13395600 = 11719^2 + 3660^2 .

It is an emirp because it is prime and its reverse (165037051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150730561 - 2⁵ = 150730529 is a prime.

It is equal to p_8483104 and since 150730561 and 8483104 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (150730511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75365280 + 75365281.

It is an arithmetic number, because the mean of its divisors is an integer number (75365281).

Almost surely, 2^150730561 is an apocalyptic number.

It is an amenable number.

150730561 is a deficient number, since it is larger than the sum of its proper divisors (1).

150730561 is an equidigital number, since it uses as much as digits as its factorization.

150730561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 150730561 is about 12277.2375150113. The cubic root of 150730561 is about 532.1904845328.

The spelling of 150730561 in words is "one hundred fifty million, seven hundred thirty thousand, five hundred sixty-one".