345146512 has 20 divisors (see below), whose sum is σ = 708058476. Its totient is φ = 162421760.

The previous prime is 345146491. The next prime is 345146513. The reversal of 345146512 is 215641543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107246736 + 237899776 = 10356^2 + 15424^2 .

It is a super-2 number, since 2×345146512² = 238252229491532288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345146513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634189 + ... + 634732.

Almost surely, 2^345146512 is an apocalyptic number.

It is an amenable number.

345146512 is an abundant number, since it is smaller than the sum of its proper divisors (362911964).

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

345146512 is a wasteful number, since it uses less digits than its factorization.

345146512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268946 (or 1268940 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 345146512 is about 18578.1191728334. The cubic root of 345146512 is about 701.4571767627.

The spelling of 345146512 in words is "three hundred forty-five million, one hundred forty-six thousand, five hundred twelve".