345046139 has 2 divisors, whose sum is σ = 345046140. Its totient is φ = 345046138.

The previous prime is 345046111. The next prime is 345046153. The reversal of 345046139 is 931640543.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (931640543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345046139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345046099 and 345046108.

It is not a weakly prime, because it can be changed into another prime (345046159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172523069 + 172523070.

It is an arithmetic number, because the mean of its divisors is an integer number (172523070).

Almost surely, 2^345046139 is an apocalyptic number.

345046139 is a deficient number, since it is larger than the sum of its proper divisors (1).

345046139 is an equidigital number, since it uses as much as digits as its factorization.

345046139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 345046139 is about 18575.4175996127. The cubic root of 345046139 is about 701.3891726109.

The spelling of 345046139 in words is "three hundred forty-five million, forty-six thousand, one hundred thirty-nine".