345912267645 has 24 divisors (see below), whose sum is σ = 685235730816. Its totient is φ = 158131322208.

The previous prime is 345912267611. The next prime is 345912267647. The reversal of 345912267645 is 546762219543.

It is a happy number.

345912267645 is a `hidden beast` number, since 3 + 4 + 591 + 2 + 2 + 6 + 7 + 6 + 45 = 666.

It is not a de Polignac number, because 345912267645 - 2⁹ = 345912267133 is a prime.

It is a super-2 number, since 2×345912267645² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 345912267591 and 345912267600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345912267647) 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, 549066777 + ... + 549067406.

It is an arithmetic number, because the mean of its divisors is an integer number (28551488784).

Almost surely, 2^345912267645 is an apocalyptic number.

345912267645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345912267645 is a deficient number, since it is larger than the sum of its proper divisors (339323463171).

345912267645 is a wasteful number, since it uses less digits than its factorization.

345912267645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098134201 (or 1098134198 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 345912267645 in words is "three hundred forty-five billion, nine hundred twelve million, two hundred sixty-seven thousand, six hundred forty-five".