146564452 has 12 divisors (see below), whose sum is σ = 258841660. Its totient is φ = 72609696.

The previous prime is 146564449. The next prime is 146564489. The reversal of 146564452 is 254465641.

It can be written as a sum of positive squares in 2 ways, for example, as 101082916 + 45481536 = 10054^2 + 6744^2 .

It is a super-2 number, since 2×146564452² = 42962277180120608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167643 + ... + 168514.

Almost surely, 2^146564452 is an apocalyptic number.

It is an amenable number.

146564452 is a deficient number, since it is larger than the sum of its proper divisors (112277208).

146564452 is a wasteful number, since it uses less digits than its factorization.

146564452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336270 (or 336268 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 146564452 is about 12106.3806317165. The cubic root of 146564452 is about 527.2414545752.

The spelling of 146564452 in words is "one hundred forty-six million, five hundred sixty-four thousand, four hundred fifty-two".