345308015403 has 12 divisors (see below), whose sum is σ = 537145801920. Its totient is φ = 212497240176.

The previous prime is 345308015401. The next prime is 345308015411. The reversal of 345308015403 is 304510803543.

345308015403 is a `hidden beast` number, since 3 + 4 + 5 + 30 + 80 + 1 + 540 + 3 = 666.

It is not a de Polignac number, because 345308015403 - 2¹ = 345308015401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345308015401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475675163 + ... + 1475675396.

It is an arithmetic number, because the mean of its divisors is an integer number (44762150160).

Almost surely, 2^345308015403 is an apocalyptic number.

345308015403 is a deficient number, since it is larger than the sum of its proper divisors (191837786517).

345308015403 is a wasteful number, since it uses less digits than its factorization.

345308015403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951350578 (or 2951350575 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 345308015403 its reverse (304510803543), we get a palindrome (649818818946).

The spelling of 345308015403 in words is "three hundred forty-five billion, three hundred eight million, fifteen thousand, four hundred three".