196145377 has 2 divisors, whose sum is σ = 196145378. Its totient is φ = 196145376.

The previous prime is 196145309. The next prime is 196145413. The reversal of 196145377 is 773541691.

196145377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190688481 + 5456896 = 13809^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 196145377 - 2¹⁹ = 195621089 is a prime.

It is not a weakly prime, because it can be changed into another prime (196145077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98072688 + 98072689.

It is an arithmetic number, because the mean of its divisors is an integer number (98072689).

Almost surely, 2^196145377 is an apocalyptic number.

It is an amenable number.

196145377 is a deficient number, since it is larger than the sum of its proper divisors (1).

196145377 is an equidigital number, since it uses as much as digits as its factorization.

196145377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 196145377 is about 14005.1910733128. The cubic root of 196145377 is about 581.0221541633.

The spelling of 196145377 in words is "one hundred ninety-six million, one hundred forty-five thousand, three hundred seventy-seven".