345000045 has 64 divisors (see below), whose sum is σ = 610122240. Its totient is φ = 165445632.

The previous prime is 345000017. The next prime is 345000049. The reversal of 345000045 is 540000543.

It is a happy number.

It is not a de Polignac number, because 345000045 - 2⁵ = 345000013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344999985 and 345000030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345000049) 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 63 ways as a sum of consecutive naturals, for example, 1787469 + ... + 1787661.

It is an arithmetic number, because the mean of its divisors is an integer number (9533160).

Almost surely, 2^345000045 is an apocalyptic number.

It is an amenable number.

345000045 is a deficient number, since it is larger than the sum of its proper divisors (265122195).

345000045 is a wasteful number, since it uses less digits than its factorization.

345000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 345000045 is about 18574.1768323660. The cubic root of 345000045 is about 701.3579388438.

Adding to 345000045 its reverse (540000543), we get a palindrome (885000588).

The spelling of 345000045 in words is "three hundred forty-five million, forty-five", and thus it is an aban number.