345547361 has 8 divisors (see below), whose sum is σ = 349482600. Its totient is φ = 341622400.

The previous prime is 345547351. The next prime is 345547369. The reversal of 345547361 is 163745543.

It can be written as a sum of positive squares in 4 ways, for example, as 313962961 + 31584400 = 17719^2 + 5620^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345547361 - 2¹⁸ = 345285217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345547369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79595 + ... + 83823.

It is an arithmetic number, because the mean of its divisors is an integer number (43685325).

Almost surely, 2^345547361 is an apocalyptic number.

It is an amenable number.

345547361 is a deficient number, since it is larger than the sum of its proper divisors (3935239).

345547361 is a wasteful number, since it uses less digits than its factorization.

345547361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139.

The product of its digits is 151200, while the sum is 38.

The square root of 345547361 is about 18588.9042441990. The cubic root of 345547361 is about 701.7286263413.

The spelling of 345547361 in words is "three hundred forty-five million, five hundred forty-seven thousand, three hundred sixty-one".