340766245 has 4 divisors (see below), whose sum is σ = 408919500. Its totient is φ = 272612992.

The previous prime is 340766233. The next prime is 340766267. The reversal of 340766245 is 542667043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542667043 = 821 ⋅660983.

It can be written as a sum of positive squares in 2 ways, for example, as 47637604 + 293128641 = 6902^2 + 17121^2 .

It is a cyclic number.

It is not a de Polignac number, because 340766245 - 2¹³ = 340758053 is a prime.

It is a super-2 number, since 2×340766245² = 232243267462800050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34076620 + ... + 34076629.

It is an arithmetic number, because the mean of its divisors is an integer number (102229875).

Almost surely, 2^340766245 is an apocalyptic number.

It is an amenable number.

340766245 is a deficient number, since it is larger than the sum of its proper divisors (68153255).

340766245 is an equidigital number, since it uses as much as digits as its factorization.

340766245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68153254.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 340766245 is about 18459.8549560932. The cubic root of 340766245 is about 698.4771281227.

The spelling of 340766245 in words is "three hundred forty million, seven hundred sixty-six thousand, two hundred forty-five".