7145344061 has 2 divisors, whose sum is σ = 7145344062. Its totient is φ = 7145344060.

The previous prime is 7145344057. The next prime is 7145344097. The reversal of 7145344061 is 1604435417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4999338436 + 2146005625 = 70706^2 + 46325^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145344061 - 2² = 7145344057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7145344051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572672030 + 3572672031.

It is an arithmetic number, because the mean of its divisors is an integer number (3572672031).

Almost surely, 2^7145344061 is an apocalyptic number.

It is an amenable number.

7145344061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145344061 is an equidigital number, since it uses as much as digits as its factorization.

7145344061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 7145344061 is about 84530.1369985877. The cubic root of 7145344061 is about 1926.0802672015.

Adding to 7145344061 its reverse (1604435417), we get a palindrome (8749779478).

The spelling of 7145344061 in words is "seven billion, one hundred forty-five million, three hundred forty-four thousand, sixty-one".