146446634 has 4 divisors (see below), whose sum is σ = 219669954. Its totient is φ = 73223316.

The previous prime is 146446633. The next prime is 146446637. The reversal of 146446634 is 436644641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436644641 = 31 ⋅14085311.

It can be written as a sum of positive squares in only one way, i.e., 146289025 + 157609 = 12095^2 + 397^2 .

It is not an unprimeable number, because it can be changed into a prime (146446633) 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, 36611657 + ... + 36611660.

Almost surely, 2^146446634 is an apocalyptic number.

146446634 is a deficient number, since it is larger than the sum of its proper divisors (73223320).

146446634 is an equidigital number, since it uses as much as digits as its factorization.

146446634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73223319.

The product of its digits is 165888, while the sum is 38.

The square root of 146446634 is about 12101.5137069707. The cubic root of 146446634 is about 527.1001397583.

The spelling of 146446634 in words is "one hundred forty-six million, four hundred forty-six thousand, six hundred thirty-four".