146621346 has 8 divisors (see below), whose sum is σ = 293242704. Its totient is φ = 48873780.

The previous prime is 146621339. The next prime is 146621353. The reversal of 146621346 is 643126641.

It is an interprime number because it is at equal distance from previous prime (146621339) and next prime (146621353).

It is a sphenic number, since it is the product of 3 distinct primes.

146621346 is an admirable number.

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, 12218440 + ... + 12218451.

It is an arithmetic number, because the mean of its divisors is an integer number (36655338).

Almost surely, 2^146621346 is an apocalyptic number.

146621346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146621346 is a wasteful number, since it uses less digits than its factorization.

146621346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24436896.

The product of its digits is 20736, while the sum is 33.

The square root of 146621346 is about 12108.7301563789. The cubic root of 146621346 is about 527.3096680114.

Adding to 146621346 its reverse (643126641), we get a palindrome (789747987).

The spelling of 146621346 in words is "one hundred forty-six million, six hundred twenty-one thousand, three hundred forty-six".