345026228761 has 4 divisors (see below), whose sum is σ = 345057120292. Its totient is φ = 344995337232.

The previous prime is 345026228753. The next prime is 345026228791. The reversal of 345026228761 is 167822620543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 221996457225 + 123029771536 = 471165^2 + 350756^2 .

It is a cyclic number.

It is not a de Polignac number, because 345026228761 - 2³ = 345026228753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345026228791) 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, 15429006 + ... + 15451351.

It is an arithmetic number, because the mean of its divisors is an integer number (86264280073).

Almost surely, 2^345026228761 is an apocalyptic number.

It is an amenable number.

345026228761 is a deficient number, since it is larger than the sum of its proper divisors (30891531).

345026228761 is a wasteful number, since it uses less digits than its factorization.

345026228761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30891530.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 345026228761 in words is "three hundred forty-five billion, twenty-six million, two hundred twenty-eight thousand, seven hundred sixty-one".