146233161 has 8 divisors (see below), whose sum is σ = 216641760. Its totient is φ = 97488756.

The previous prime is 146233159. The next prime is 146233163. The reversal of 146233161 is 161332641.

146233161 is a `hidden beast` number, since 1 + 4 + 623 + 31 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (146233159) and next prime (146233163).

It is not a de Polignac number, because 146233161 - 2¹ = 146233159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5416043 = 146233161 / (1 + 4 + 6 + 2 + 3 + 3 + 1 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (146233163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2707995 + ... + 2708048.

It is an arithmetic number, because the mean of its divisors is an integer number (27080220).

Almost surely, 2^146233161 is an apocalyptic number.

It is an amenable number.

146233161 is a deficient number, since it is larger than the sum of its proper divisors (70408599).

146233161 is an equidigital number, since it uses as much as digits as its factorization.

146233161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416052 (or 5416046 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 146233161 is about 12092.6903954414. The cubic root of 146233161 is about 526.8438999639.

The spelling of 146233161 in words is "one hundred forty-six million, two hundred thirty-three thousand, one hundred sixty-one".