345644141 has 4 divisors (see below), whose sum is σ = 356793984. Its totient is φ = 334494300.

The previous prime is 345644129. The next prime is 345644147. The reversal of 345644141 is 141446543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345644141 - 2¹⁸ = 345381997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345644098 and 345644107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345644147) 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, 5574875 + ... + 5574936.

It is an arithmetic number, because the mean of its divisors is an integer number (89198496).

Almost surely, 2^345644141 is an apocalyptic number.

345644141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

345644141 is a deficient number, since it is larger than the sum of its proper divisors (11149843).

345644141 is a wasteful number, since it uses less digits than its factorization.

345644141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149842.

The product of its digits is 23040, while the sum is 32.

The square root of 345644141 is about 18591.5072277640. The cubic root of 345644141 is about 701.7941329980.

The spelling of 345644141 in words is "three hundred forty-five million, six hundred forty-four thousand, one hundred forty-one".