340645146 has 8 divisors (see below), whose sum is σ = 681290304. Its totient is φ = 113548380.

The previous prime is 340645127. The next prime is 340645153. The reversal of 340645146 is 641546043.

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

340645146 is an admirable number.

It is a super-2 number, since 2×340645146² = 232078230986722632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28387090 + ... + 28387101.

It is an arithmetic number, because the mean of its divisors is an integer number (85161288).

Almost surely, 2^340645146 is an apocalyptic number.

340645146 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.

340645146 is a wasteful number, since it uses less digits than its factorization.

340645146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56774196.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 340645146 is about 18456.5746009383. The cubic root of 340645146 is about 698.3943784327.

The spelling of 340645146 in words is "three hundred forty million, six hundred forty-five thousand, one hundred forty-six".