345005245 has 16 divisors (see below), whose sum is σ = 451503360. Its totient is φ = 251544384.

The previous prime is 345005209. The next prime is 345005263. The reversal of 345005245 is 542500543.

It is not a de Polignac number, because 345005245 - 2²⁵ = 311450813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28459 + ... + 38728.

It is an arithmetic number, because the mean of its divisors is an integer number (28218960).

Almost surely, 2^345005245 is an apocalyptic number.

It is an amenable number.

345005245 is a deficient number, since it is larger than the sum of its proper divisors (106498115).

345005245 is a wasteful number, since it uses less digits than its factorization.

345005245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67284.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 345005245 is about 18574.3168111239. The cubic root of 345005245 is about 701.3614625563.

Adding to 345005245 its reverse (542500543), we get a palindrome (887505788).

The spelling of 345005245 in words is "three hundred forty-five million, five thousand, two hundred forty-five".