146958161 has 4 divisors (see below), whose sum is σ = 167952192. Its totient is φ = 125964132.

The previous prime is 146958157. The next prime is 146958169. The reversal of 146958161 is 161859641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 146958161 - 2² = 146958157 is a prime.

It is a super-3 number, since 3×146958161³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146958169) 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, 10497005 + ... + 10497018.

It is an arithmetic number, because the mean of its divisors is an integer number (41988048).

Almost surely, 2^146958161 is an apocalyptic number.

It is an amenable number.

146958161 is a deficient number, since it is larger than the sum of its proper divisors (20994031).

146958161 is an equidigital number, since it uses as much as digits as its factorization.

146958161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20994030.

The product of its digits is 51840, while the sum is 41.

The square root of 146958161 is about 12122.6301189140. The cubic root of 146958161 is about 527.7131335520.

The spelling of 146958161 in words is "one hundred forty-six million, nine hundred fifty-eight thousand, one hundred sixty-one".