345140121 has 8 divisors (see below), whose sum is σ = 460367424. Its totient is φ = 230003120.

The previous prime is 345140101. The next prime is 345140123. The reversal of 345140121 is 121041543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345140121 - 2⁹ = 345139609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345140123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13086 + ... + 29351.

It is an arithmetic number, because the mean of its divisors is an integer number (57545928).

Almost surely, 2^345140121 is an apocalyptic number.

It is an amenable number.

345140121 is a deficient number, since it is larger than the sum of its proper divisors (115227303).

345140121 is a wasteful number, since it uses less digits than its factorization.

345140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45151.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 345140121 is about 18577.9471686190. The cubic root of 345140121 is about 701.4528471613.

Adding to 345140121 its reverse (121041543), we get a palindrome (466181664).

The spelling of 345140121 in words is "three hundred forty-five million, one hundred forty thousand, one hundred twenty-one".