345142351 has 4 divisors (see below), whose sum is σ = 348559704. Its totient is φ = 341725000.

The previous prime is 345142339. The next prime is 345142403. The reversal of 345142351 is 153241543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345142351 - 2¹¹ = 345140303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345142751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708525 + ... + 1708726.

It is an arithmetic number, because the mean of its divisors is an integer number (87139926).

Almost surely, 2^345142351 is an apocalyptic number.

345142351 is a deficient number, since it is larger than the sum of its proper divisors (3417353).

345142351 is a wasteful number, since it uses less digits than its factorization.

345142351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417352.

The product of its digits is 7200, while the sum is 28.

The square root of 345142351 is about 18578.0071859174. The cubic root of 345142351 is about 701.4543578873.

Adding to 345142351 its reverse (153241543), we get a palindrome (498383894).

The spelling of 345142351 in words is "three hundred forty-five million, one hundred forty-two thousand, three hundred fifty-one".