345445403 has 8 divisors (see below), whose sum is σ = 364335120. Its totient is φ = 326626560.

The previous prime is 345445333. The next prime is 345445439. The reversal of 345445403 is 304544543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345445403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345445403.

It is not an unprimeable number, because it can be changed into a prime (345445453) 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, 7550 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (45541890).

Almost surely, 2^345445403 is an apocalyptic number.

345445403 is a deficient number, since it is larger than the sum of its proper divisors (18889717).

345445403 is a wasteful number, since it uses less digits than its factorization.

345445403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35437.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 345445403 is about 18586.1615994266. The cubic root of 345445403 is about 701.6596016639.

Adding to 345445403 its reverse (304544543), we get a palindrome (649989946).

It can be divided in two parts, 34544540 and 3, that added together give a palindrome (34544543).

The spelling of 345445403 in words is "three hundred forty-five million, four hundred forty-five thousand, four hundred three".