345144246 has 16 divisors (see below), whose sum is σ = 691791408. Its totient is φ = 114797600.

The previous prime is 345144221. The next prime is 345144271. The reversal of 345144246 is 642441543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345144221) and next prime (345144271).

It is a Curzon number.

It is a congruent number.

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, 59625 + ... + 65156.

It is an arithmetic number, because the mean of its divisors is an integer number (43236963).

Almost surely, 2^345144246 is an apocalyptic number.

345144246 is an abundant number, since it is smaller than the sum of its proper divisors (346647162).

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

345144246 is a wasteful number, since it uses less digits than its factorization.

345144246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125247.

The product of its digits is 46080, while the sum is 33.

The square root of 345144246 is about 18578.0581870119. The cubic root of 345144246 is about 701.4556416606.

Adding to 345144246 its reverse (642441543), we get a palindrome (987585789).

The spelling of 345144246 in words is "three hundred forty-five million, one hundred forty-four thousand, two hundred forty-six".