345163619 has 4 divisors (see below), whose sum is σ = 345308496. Its totient is φ = 345018744.

The previous prime is 345163607. The next prime is 345163673. The reversal of 345163619 is 916361543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345163619 - 2⁴ = 345163603 is a prime.

It is a super-2 number, since 2×345163619² = 238275847762354322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345163919) 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, 68804 + ... + 73649.

It is an arithmetic number, because the mean of its divisors is an integer number (86327124).

Almost surely, 2^345163619 is an apocalyptic number.

345163619 is a deficient number, since it is larger than the sum of its proper divisors (144877).

345163619 is a wasteful number, since it uses less digits than its factorization.

345163619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144876.

The product of its digits is 58320, while the sum is 38.

The square root of 345163619 is about 18578.5795743378. The cubic root of 345163619 is about 701.4687656863.

The spelling of 345163619 in words is "three hundred forty-five million, one hundred sixty-three thousand, six hundred nineteen".