345459739 has 2 divisors, whose sum is σ = 345459740. Its totient is φ = 345459738.

The previous prime is 345459683. The next prime is 345459743. The reversal of 345459739 is 937954543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345459739 - 2¹¹ = 345457691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345459692 and 345459701.

It is not a weakly prime, because it can be changed into another prime (345459749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172729869 + 172729870.

It is an arithmetic number, because the mean of its divisors is an integer number (172729870).

Almost surely, 2^345459739 is an apocalyptic number.

345459739 is a deficient number, since it is larger than the sum of its proper divisors (1).

345459739 is an equidigital number, since it uses as much as digits as its factorization.

345459739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The square root of 345459739 is about 18586.5472587030. The cubic root of 345459739 is about 701.6693078314.

The spelling of 345459739 in words is "three hundred forty-five million, four hundred fifty-nine thousand, seven hundred thirty-nine".