345252441 has 16 divisors (see below), whose sum is σ = 473688000. Its totient is φ = 223579200.

The previous prime is 345252437. The next prime is 345252443. The reversal of 345252441 is 144252543.

It is not a de Polignac number, because 345252441 - 2² = 345252437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345252399 and 345252408.

It is not an unprimeable number, because it can be changed into a prime (345252443) 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 15 ways as a sum of consecutive naturals, for example, 5310 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (29605500).

Almost surely, 2^345252441 is an apocalyptic number.

It is an amenable number.

345252441 is a deficient number, since it is larger than the sum of its proper divisors (128435559).

345252441 is a wasteful number, since it uses less digits than its factorization.

345252441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21656.

The product of its digits is 19200, while the sum is 30.

The square root of 345252441 is about 18580.9698616622. The cubic root of 345252441 is about 701.5289308868.

The spelling of 345252441 in words is "three hundred forty-five million, two hundred fifty-two thousand, four hundred forty-one".