343020146 has 16 divisors (see below), whose sum is σ = 607004160. Its totient is φ = 142266240.

The previous prime is 343020131. The next prime is 343020157. The reversal of 343020146 is 641020343.

It is a happy number.

It is a super-2 number, since 2×343020146² = 235325641123722632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394751 + ... + 395618.

It is an arithmetic number, because the mean of its divisors is an integer number (37937760).

Almost surely, 2^343020146 is an apocalyptic number.

343020146 is a deficient number, since it is larger than the sum of its proper divisors (263984014).

343020146 is a wasteful number, since it uses less digits than its factorization.

343020146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790409.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 343020146 is about 18520.8030603427. The cubic root of 343020146 is about 700.0137044936.

Adding to 343020146 its reverse (641020343), we get a palindrome (984040489).

The spelling of 343020146 in words is "three hundred forty-three million, twenty thousand, one hundred forty-six".