345453503 has 4 divisors (see below), whose sum is σ = 347938920. Its totient is φ = 342968088.

The previous prime is 345453499. The next prime is 345453509. The reversal of 345453503 is 305354543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345453503 - 2² = 345453499 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 345453503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345453509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242500 + ... + 1242777.

It is an arithmetic number, because the mean of its divisors is an integer number (86984730).

Almost surely, 2^345453503 is an apocalyptic number.

345453503 is a deficient number, since it is larger than the sum of its proper divisors (2485417).

345453503 is a wasteful number, since it uses less digits than its factorization.

345453503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485416.

The product of its (nonzero) digits is 54000, while the sum is 32.

The square root of 345453503 is about 18586.3795022054. The cubic root of 345453503 is about 701.6650857899.

The spelling of 345453503 in words is "three hundred forty-five million, four hundred fifty-three thousand, five hundred three".