345253443 has 8 divisors (see below), whose sum is σ = 460508928. Its totient is φ = 230083464.

The previous prime is 345253429. The next prime is 345253457. The reversal of 345253443 is 344352543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345253429) and next prime (345253457).

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

It is not a de Polignac number, because 345253443 - 2⁵ = 345253411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345253423) 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, 11271 + ... + 28592.

It is an arithmetic number, because the mean of its divisors is an integer number (57563616).

Almost surely, 2^345253443 is an apocalyptic number.

345253443 is a deficient number, since it is larger than the sum of its proper divisors (115255485).

345253443 is a wasteful number, since it uses less digits than its factorization.

345253443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42753.

The product of its digits is 86400, while the sum is 33.

The square root of 345253443 is about 18580.9968247131. The cubic root of 345253443 is about 701.5296095509.

It can be divided in two parts, 345253 and 443, that added together give a triangular number (345696 = T₈₃₁).

The spelling of 345253443 in words is "three hundred forty-five million, two hundred fifty-three thousand, four hundred forty-three".