147045649 has 2 divisors, whose sum is σ = 147045650. Its totient is φ = 147045648.

The previous prime is 147045643. The next prime is 147045683. The reversal of 147045649 is 946540741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77440000 + 69605649 = 8800^2 + 8343^2 .

It is a cyclic number.

It is not a de Polignac number, because 147045649 - 2⁹ = 147045137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147045643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73522824 + 73522825.

It is an arithmetic number, because the mean of its divisors is an integer number (73522825).

Almost surely, 2^147045649 is an apocalyptic number.

It is an amenable number.

147045649 is a deficient number, since it is larger than the sum of its proper divisors (1).

147045649 is an equidigital number, since it uses as much as digits as its factorization.

147045649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 147045649 is about 12126.2380398869. The cubic root of 147045649 is about 527.8178332107.

The spelling of 147045649 in words is "one hundred forty-seven million, forty-five thousand, six hundred forty-nine".