345042061 has 24 divisors (see below), whose sum is σ = 429010560. Its totient is φ = 271717056.

The previous prime is 345042017. The next prime is 345042077. The reversal of 345042061 is 160240543.

It is not a de Polignac number, because 345042061 - 2¹⁵ = 345009293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345042001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310575 + ... + 311683.

It is an arithmetic number, because the mean of its divisors is an integer number (17875440).

Almost surely, 2^345042061 is an apocalyptic number.

It is an amenable number.

345042061 is a deficient number, since it is larger than the sum of its proper divisors (83968499).

345042061 is a wasteful number, since it uses less digits than its factorization.

345042061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 345042061 is about 18575.3078305583. The cubic root of 345042061 is about 701.3864094285.

The spelling of 345042061 in words is "three hundred forty-five million, forty-two thousand, sixty-one".