345527243 has 4 divisors (see below), whose sum is σ = 346961208. Its totient is φ = 344093280.

The previous prime is 345527207. The next prime is 345527263. The reversal of 345527243 is 342725543.

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 345527243 - 2¹⁴ = 345510859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345527263) 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, 716621 + ... + 717102.

It is an arithmetic number, because the mean of its divisors is an integer number (86740302).

Almost surely, 2^345527243 is an apocalyptic number.

345527243 is a deficient number, since it is larger than the sum of its proper divisors (1433965).

345527243 is a wasteful number, since it uses less digits than its factorization.

345527243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433964.

The product of its digits is 100800, while the sum is 35.

The square root of 345527243 is about 18588.3631070624. The cubic root of 345527243 is about 701.7150077059.

The spelling of 345527243 in words is "three hundred forty-five million, five hundred twenty-seven thousand, two hundred forty-three".