345125145 has 8 divisors (see below), whose sum is σ = 552200256. Its totient is φ = 184066736.

The previous prime is 345125141. The next prime is 345125173. The reversal of 345125145 is 541521543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345125145 - 2² = 345125141 is a prime.

It is a super-2 number, since 2×345125145² = 238222731422542050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345125141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11504157 + ... + 11504186.

It is an arithmetic number, because the mean of its divisors is an integer number (69025032).

Almost surely, 2^345125145 is an apocalyptic number.

It is an amenable number.

345125145 is a deficient number, since it is larger than the sum of its proper divisors (207075111).

345125145 is a wasteful number, since it uses less digits than its factorization.

345125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23008351.

The product of its digits is 12000, while the sum is 30.

The square root of 345125145 is about 18577.5441057208. The cubic root of 345125145 is about 701.4427014175.

Adding to 345125145 its reverse (541521543), we get a palindrome (886646688).

The spelling of 345125145 in words is "three hundred forty-five million, one hundred twenty-five thousand, one hundred forty-five".