345112145 has 12 divisors (see below), whose sum is σ = 481748724. Its totient is φ = 236648160.

The previous prime is 345112139. The next prime is 345112169. The reversal of 345112145 is 541211543.

It can be written as a sum of positive squares in 2 ways, for example, as 265331521 + 79780624 = 16289^2 + 8932^2 .

It is not a de Polignac number, because 345112145 - 2¹⁰ = 345111121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704066 + ... + 704555.

It is an arithmetic number, because the mean of its divisors is an integer number (40145727).

Almost surely, 2^345112145 is an apocalyptic number.

345112145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345112145 is a deficient number, since it is larger than the sum of its proper divisors (136636579).

345112145 is a wasteful number, since it uses less digits than its factorization.

345112145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408640 (or 1408633 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 345112145 is about 18577.1942176422. The cubic root of 345112145 is about 701.4338941102.

Adding to 345112145 its reverse (541211543), we get a palindrome (886323688).

The spelling of 345112145 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred forty-five".