146166224 has 10 divisors (see below), whose sum is σ = 283197090. Its totient is φ = 73083104.

The previous prime is 146166203. The next prime is 146166227. The reversal of 146166224 is 422661641.

It can be written as a sum of positive squares in only one way, i.e., 137639824 + 8526400 = 11732^2 + 2920^2 .

It is a super-3 number, since 3×146166224³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146166227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4567679 + ... + 4567710.

It is an arithmetic number, because the mean of its divisors is an integer number (28319709).

Almost surely, 2^146166224 is an apocalyptic number.

It is an amenable number.

146166224 is a deficient number, since it is larger than the sum of its proper divisors (137030866).

146166224 is an equidigital number, since it uses as much as digits as its factorization.

146166224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135397 (or 9135391 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 146166224 is about 12089.9224149702. The cubic root of 146166224 is about 526.7635015735.

The spelling of 146166224 in words is "one hundred forty-six million, one hundred sixty-six thousand, two hundred twenty-four".