6145490161 has 2 divisors, whose sum is σ = 6145490162. Its totient is φ = 6145490160.

The previous prime is 6145490107. The next prime is 6145490227. The reversal of 6145490161 is 1610945416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3621030625 + 2524459536 = 60175^2 + 50244^2 .

It is a cyclic number.

It is not a de Polignac number, because 6145490161 - 2¹⁹ = 6144965873 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 6145490161.

It is not a weakly prime, because it can be changed into another prime (6145491161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072745080 + 3072745081.

It is an arithmetic number, because the mean of its divisors is an integer number (3072745081).

Almost surely, 2^6145490161 is an apocalyptic number.

It is an amenable number.

6145490161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6145490161 is an equidigital number, since it uses as much as digits as its factorization.

6145490161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 6145490161 is about 78393.1767502759. The cubic root of 6145490161 is about 1831.6908497720.

The spelling of 6145490161 in words is "six billion, one hundred forty-five million, four hundred ninety thousand, one hundred sixty-one".