345243141 has 10 divisors (see below), whose sum is σ = 515733702. Its totient is φ = 230162040.

The previous prime is 345243131. The next prime is 345243169. The reversal of 345243141 is 141342543.

It is a happy number.

345243141 is a `hidden beast` number, since 345 + 2 + 4 + 314 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 322058916 + 23184225 = 17946^2 + 4815^2 .

It is not a de Polignac number, because 345243141 - 2⁶ = 345243077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345243121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2131050 + ... + 2131211.

Almost surely, 2^345243141 is an apocalyptic number.

It is an amenable number.

345243141 is a deficient number, since it is larger than the sum of its proper divisors (170490561).

345243141 is an equidigital number, since it uses as much as digits as its factorization.

345243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262273 (or 4262264 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 345243141 is about 18580.7196039335. The cubic root of 345243141 is about 701.5226318460.

Adding to 345243141 its reverse (141342543), we get a palindrome (486585684).

The spelling of 345243141 in words is "three hundred forty-five million, two hundred forty-three thousand, one hundred forty-one".