345347741 has 4 divisors (see below), whose sum is σ = 365662332. Its totient is φ = 325033152.

The previous prime is 345347731. The next prime is 345347777. The reversal of 345347741 is 147743543.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 191711716 + 153636025 = 13846^2 + 12395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345347741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345347695 and 345347704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345347731) 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, 10157270 + ... + 10157303.

It is an arithmetic number, because the mean of its divisors is an integer number (91415583).

Almost surely, 2^345347741 is an apocalyptic number.

It is an amenable number.

345347741 is a deficient number, since it is larger than the sum of its proper divisors (20314591).

345347741 is a wasteful number, since it uses less digits than its factorization.

345347741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314590.

The product of its digits is 141120, while the sum is 38.

The square root of 345347741 is about 18583.5341364338. The cubic root of 345347741 is about 701.5934726045.

The spelling of 345347741 in words is "three hundred forty-five million, three hundred forty-seven thousand, seven hundred forty-one".