146564546 has 4 divisors (see below), whose sum is σ = 219846822. Its totient is φ = 73282272.

The previous prime is 146564543. The next prime is 146564573. The reversal of 146564546 is 645465641.

146564546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645465641 = 53 ⋅12178597.

It can be written as a sum of positive squares in only one way, i.e., 98109025 + 48455521 = 9905^2 + 6961^2 .

It is a super-2 number, since 2×146564546² = 42962332288372232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146564543) by changing a digit.

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 as a sum of consecutive naturals, namely, 36641135 + ... + 36641138.

Almost surely, 2^146564546 is an apocalyptic number.

146564546 is a deficient number, since it is larger than the sum of its proper divisors (73282276).

146564546 is an equidigital number, since it uses as much as digits as its factorization.

146564546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73282275.

The product of its digits is 345600, while the sum is 41.

The square root of 146564546 is about 12106.3845139662. The cubic root of 146564546 is about 527.2415672917.

The spelling of 146564546 in words is "one hundred forty-six million, five hundred sixty-four thousand, five hundred forty-six".