345131141 has 8 divisors (see below), whose sum is σ = 349066200. Its totient is φ = 341203968.

The previous prime is 345131131. The next prime is 345131191. The reversal of 345131141 is 141131543.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24542116 + 320589025 = 4954^2 + 17905^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345131141 is a prime.

It is a super-3 number, since 3×345131141³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345131131) 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, 149105 + ... + 151401.

It is an arithmetic number, because the mean of its divisors is an integer number (43633275).

Almost surely, 2^345131141 is an apocalyptic number.

It is an amenable number.

345131141 is a deficient number, since it is larger than the sum of its proper divisors (3935059).

345131141 is a wasteful number, since it uses less digits than its factorization.

345131141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943.

The product of its digits is 720, while the sum is 23.

The square root of 345131141 is about 18577.7054826477. The cubic root of 345131141 is about 701.4467635441.

Adding to 345131141 its reverse (141131543), we get a palindrome (486262684).

The spelling of 345131141 in words is "three hundred forty-five million, one hundred thirty-one thousand, one hundred forty-one".