342204505 has 16 divisors (see below), whose sum is σ = 426728448. Its totient is φ = 263160000.

The previous prime is 342204493. The next prime is 342204529. The reversal of 342204505 is 505402243.

It is not a de Polignac number, because 342204505 - 2²⁷ = 207986777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342204505.

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, 16095 + ... + 30715.

It is an arithmetic number, because the mean of its divisors is an integer number (26670528).

Almost surely, 2^342204505 is an apocalyptic number.

It is an amenable number.

342204505 is a deficient number, since it is larger than the sum of its proper divisors (84523943).

342204505 is a wasteful number, since it uses less digits than its factorization.

342204505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 342204505 is about 18498.7703645404. The cubic root of 342204505 is about 699.4584280466.

Adding to 342204505 its reverse (505402243), we get a palindrome (847606748).

The spelling of 342204505 in words is "three hundred forty-two million, two hundred four thousand, five hundred five".