345454403 has 8 divisors (see below), whose sum is σ = 395023200. Its totient is φ = 295940160.

The previous prime is 345454391. The next prime is 345454423. The reversal of 345454403 is 304454543.

345454403 = 7022² + 7023² + ... + 7028².

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

It is a cyclic number.

It is not a de Polignac number, because 345454403 - 2⁴ = 345454387 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 345454403.

It is not an unprimeable number, because it can be changed into a prime (345454423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (49377900).

Almost surely, 2^345454403 is an apocalyptic number.

345454403 is a deficient number, since it is larger than the sum of its proper divisors (49568797).

345454403 is a wasteful number, since it uses less digits than its factorization.

345454403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27277.

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

The square root of 345454403 is about 18586.4037134675. The cubic root of 345454403 is about 701.6656951319.

The spelling of 345454403 in words is "three hundred forty-five million, four hundred fifty-four thousand, four hundred three".