196320145 has 16 divisors (see below), whose sum is σ = 269705088. Its totient is φ = 134386560.

The previous prime is 196320139. The next prime is 196320151. The reversal of 196320145 is 541023691.

It is an interprime number because it is at equal distance from previous prime (196320139) and next prime (196320151).

It is not a de Polignac number, because 196320145 - 2⁷ = 196320017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17050 + ... + 26140.

It is an arithmetic number, because the mean of its divisors is an integer number (16856568).

Almost surely, 2^196320145 is an apocalyptic number.

It is an amenable number.

196320145 is a deficient number, since it is larger than the sum of its proper divisors (73384943).

196320145 is an equidigital number, since it uses as much as digits as its factorization.

196320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 196320145 is about 14011.4290848578. The cubic root of 196320145 is about 581.1946689536.

The spelling of 196320145 in words is "one hundred ninety-six million, three hundred twenty thousand, one hundred forty-five".