343520045 has 32 divisors (see below), whose sum is σ = 459025920. Its totient is φ = 244707840.

The previous prime is 343520041. The next prime is 343520059. The reversal of 343520045 is 540025343.

It is not a de Polignac number, because 343520045 - 2² = 343520041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343519996 and 343520023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343520041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751457 + ... + 751913.

It is an arithmetic number, because the mean of its divisors is an integer number (14344560).

Almost surely, 2^343520045 is an apocalyptic number.

It is an amenable number.

343520045 is a deficient number, since it is larger than the sum of its proper divisors (115505875).

343520045 is a wasteful number, since it uses less digits than its factorization.

343520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 343520045 is about 18534.2937550909. The cubic root of 343520045 is about 700.3535934669.

Adding to 343520045 its reverse (540025343), we get a palindrome (883545388).

The spelling of 343520045 in words is "three hundred forty-three million, five hundred twenty thousand, forty-five".