146246161 has 4 divisors (see below), whose sum is σ = 146290212. Its totient is φ = 146202112.

The previous prime is 146246141. The next prime is 146246171. The reversal of 146246161 is 161642641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7595536 + 138650625 = 2756^2 + 11775^2 .

It is a cyclic number.

It is not a de Polignac number, because 146246161 - 2⁵ = 146246129 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146246141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16600 + ... + 23833.

It is an arithmetic number, because the mean of its divisors is an integer number (36572553).

Almost surely, 2^146246161 is an apocalyptic number.

It is an amenable number.

146246161 is a deficient number, since it is larger than the sum of its proper divisors (44051).

146246161 is an equidigital number, since it uses as much as digits as its factorization.

146246161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44050.

The product of its digits is 6912, while the sum is 31.

The square root of 146246161 is about 12093.2278982908. The cubic root of 146246161 is about 526.8595114885.

The spelling of 146246161 in words is "one hundred forty-six million, two hundred forty-six thousand, one hundred sixty-one".