345552603 has 24 divisors (see below), whose sum is σ = 520593216. Its totient is φ = 202188000.

The previous prime is 345552593. The next prime is 345552643. The reversal of 345552603 is 306255543.

It is not a de Polignac number, because 345552603 - 2⁴ = 345552587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345552643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21528 + ... + 33978.

It is an arithmetic number, because the mean of its divisors is an integer number (21691384).

Almost surely, 2^345552603 is an apocalyptic number.

345552603 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345552603 is a deficient number, since it is larger than the sum of its proper divisors (175040613).

345552603 is a wasteful number, since it uses less digits than its factorization.

345552603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523 (or 12494 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 345552603 is about 18589.0452417546. The cubic root of 345552603 is about 701.7321747626.

The spelling of 345552603 in words is "three hundred forty-five million, five hundred fifty-two thousand, six hundred three".