345047499 has 16 divisors (see below), whose sum is σ = 512112000.
Its totient is φ = 229612968.
The previous prime is 345047489. The next prime is 345047503. The reversal of 345047499 is 994740543.
It is a happy number.
It is not a de Polignac number, because 345047499 - 28 = 345047243 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (345047489) 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 15 ways as a sum of consecutive naturals, for example, 3852 + ... + 26550.
It is an arithmetic number, because the mean of its divisors is an integer number (32007000).
Almost surely, 2345047499 is an apocalyptic number.
345047499 is a deficient number, since it is larger than the sum of its proper divisors (167064501).
345047499 is a wasteful number, since it uses less digits than its factorization.
345047499 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23271 (or 23265 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 45.
The square root of 345047499 is about 18575.4542070981.
The cubic root of 345047499 is about 701.3900941186.
The spelling of 345047499 in words is "three hundred forty-five million, forty-seven thousand, four hundred ninety-nine".