345616143 has 16 divisors (see below), whose sum is σ = 468251136. Its totient is φ = 226709280.

The previous prime is 345616087. The next prime is 345616153. The reversal of 345616143 is 341616543.

It is not a de Polignac number, because 345616143 - 2¹⁶ = 345550607 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345616153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129246 + ... + 131892.

It is an arithmetic number, because the mean of its divisors is an integer number (29265696).

Almost surely, 2^345616143 is an apocalyptic number.

345616143 is a deficient number, since it is larger than the sum of its proper divisors (122634993).

345616143 is a wasteful number, since it uses less digits than its factorization.

345616143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334.

The product of its digits is 25920, while the sum is 33.

The square root of 345616143 is about 18590.7542342961. The cubic root of 345616143 is about 701.7751834867.

It can be divided in two parts, 34561 and 6143, that added together give a palindrome (40704).

The spelling of 345616143 in words is "three hundred forty-five million, six hundred sixteen thousand, one hundred forty-three".