345045131403 has 16 divisors (see below), whose sum is σ = 525816821760. Its totient is φ = 197155984896.

The previous prime is 345045131399. The next prime is 345045131423. The reversal of 345045131403 is 304131540543.

It is not a de Polignac number, because 345045131403 - 2² = 345045131399 is a prime.

It is a super-2 number, since 2×345045131403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345045131423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187675 + ... + 851652.

It is an arithmetic number, because the mean of its divisors is an integer number (32863551360).

Almost surely, 2^345045131403 is an apocalyptic number.

345045131403 is a deficient number, since it is larger than the sum of its proper divisors (180771690357).

345045131403 is a wasteful number, since it uses less digits than its factorization.

345045131403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055146.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 345045131403 its reverse (304131540543), we get a palindrome (649176671946).

The spelling of 345045131403 in words is "three hundred forty-five billion, forty-five million, one hundred thirty-one thousand, four hundred three".