345451139 has 8 divisors (see below), whose sum is σ = 382164480. Its totient is φ = 309622600.

The previous prime is 345451109. The next prime is 345451147. The reversal of 345451139 is 931154543.

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

It is a cyclic number.

It is not a de Polignac number, because 345451139 - 2²⁰ = 344402563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345451099 and 345451108.

It is not an unprimeable number, because it can be changed into a prime (345451109) 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 7 ways as a sum of consecutive naturals, for example, 220379 + ... + 221940.

It is an arithmetic number, because the mean of its divisors is an integer number (47770560).

Almost surely, 2^345451139 is an apocalyptic number.

345451139 is a deficient number, since it is larger than the sum of its proper divisors (36713341).

345451139 is a wasteful number, since it uses less digits than its factorization.

345451139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442401.

The product of its digits is 32400, while the sum is 35.

The square root of 345451139 is about 18586.3159071399. The cubic root of 345451139 is about 701.6634852464.

The spelling of 345451139 in words is "three hundred forty-five million, four hundred fifty-one thousand, one hundred thirty-nine".