345542445532541 has 6 divisors (see below), whose sum is σ = 355133835548730. Its totient is φ = 336203460516816.

The previous prime is 345542445532523. The next prime is 345542445532573. The reversal of 345542445532541 is 145235544245543.

It can be written as a sum of positive squares in 3 ways, for example, as 132198737968441 + 213343707564100 = 11497771^2 + 14606290^2 .

It is not a de Polignac number, because 345542445532541 - 2³⁸ = 345267567625597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345542445534541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126202498826 + ... + 126202501563.

It is an arithmetic number, because the mean of its divisors is an integer number (59188972591455).

Almost surely, 2^{345542445532541} is an apocalyptic number.

It is an amenable number.

345542445532541 is a deficient number, since it is larger than the sum of its proper divisors (9591390016189).

345542445532541 is an equidigital number, since it uses as much as digits as its factorization.

345542445532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252405000463 (or 252405000426 counting only the distinct ones).

The product of its digits is 115200000, while the sum is 56.

The spelling of 345542445532541 in words is "three hundred forty-five trillion, five hundred forty-two billion, four hundred forty-five million, five hundred thirty-two thousand, five hundred forty-one".