340161745 has 16 divisors (see below), whose sum is σ = 508917888. Its totient is φ = 212048640.

The previous prime is 340161737. The next prime is 340161761. The reversal of 340161745 is 547161043.

It is not a de Polignac number, because 340161745 - 2³ = 340161737 is a prime.

It is a super-2 number, since 2×340161745² = 231420025522890050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 441384 + ... + 442153.

It is an arithmetic number, because the mean of its divisors is an integer number (31807368).

Almost surely, 2^340161745 is an apocalyptic number.

340161745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340161745 is a deficient number, since it is larger than the sum of its proper divisors (168756143).

340161745 is a wasteful number, since it uses less digits than its factorization.

340161745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883560.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 340161745 is about 18443.4743202033. The cubic root of 340161745 is about 698.0638640481.

The spelling of 340161745 in words is "three hundred forty million, one hundred sixty-one thousand, seven hundred forty-five".