345204142 has 12 divisors (see below), whose sum is σ = 550058040. Its totient is φ = 162448736.

The previous prime is 345204131. The next prime is 345204157. The reversal of 345204142 is 241402543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298042 + ... + 299197.

It is an arithmetic number, because the mean of its divisors is an integer number (45838170).

Almost surely, 2^345204142 is an apocalyptic number.

345204142 is a deficient number, since it is larger than the sum of its proper divisors (204853898).

345204142 is a wasteful number, since it uses less digits than its factorization.

345204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597275 (or 597258 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 345204142 is about 18579.6701262428. The cubic root of 345204142 is about 701.4962159591.

Adding to 345204142 its reverse (241402543), we get a palindrome (586606685).

The spelling of 345204142 in words is "three hundred forty-five million, two hundred four thousand, one hundred forty-two".