345550403 has 8 divisors (see below), whose sum is σ = 377196480. Its totient is φ = 313943080.

The previous prime is 345550349. The next prime is 345550409. The reversal of 345550403 is 304055543.

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

It is not a de Polignac number, because 345550403 - 2⁶ = 345550339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345550409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10868 + ... + 28446.

It is an arithmetic number, because the mean of its divisors is an integer number (47149560).

Almost surely, 2^345550403 is an apocalyptic number.

345550403 is a deficient number, since it is larger than the sum of its proper divisors (31646077).

345550403 is a wasteful number, since it uses less digits than its factorization.

345550403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19377.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 345550403 is about 18588.9860670237. The cubic root of 345550403 is about 701.7306855401.

The spelling of 345550403 in words is "three hundred forty-five million, five hundred fifty thousand, four hundred three".