345461019 has 4 divisors (see below), whose sum is σ = 460614696. Its totient is φ = 230307344.

The previous prime is 345460991. The next prime is 345461071. The reversal of 345461019 is 910164543.

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 345461019 - 2⁵ = 345460987 is a prime.

It is a super-2 number, since 2×345461019² = 238686631297036722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345461719) 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, 57576834 + ... + 57576839.

It is an arithmetic number, because the mean of its divisors is an integer number (115153674).

Almost surely, 2^345461019 is an apocalyptic number.

345461019 is a deficient number, since it is larger than the sum of its proper divisors (115153677).

345461019 is a wasteful number, since it uses less digits than its factorization.

345461019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115153676.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 345461019 is about 18586.5816921778. The cubic root of 345461019 is about 701.6701744405.

The spelling of 345461019 in words is "three hundred forty-five million, four hundred sixty-one thousand, nineteen".