340050145 has 4 divisors (see below), whose sum is σ = 408060180. Its totient is φ = 272040112.

The previous prime is 340050119. The next prime is 340050157. The reversal of 340050145 is 541050043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541050043 = 131 ⋅4130153.

It can be written as a sum of positive squares in 2 ways, for example, as 231557089 + 108493056 = 15217^2 + 10416^2 .

It is a cyclic number.

It is not a de Polignac number, because 340050145 - 2²⁵ = 306495713 is a prime.

It is a super-2 number, since 2×340050145² = 231268202229042050, which contains 22 as substring.

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, 34005010 + ... + 34005019.

It is an arithmetic number, because the mean of its divisors is an integer number (102015045).

Almost surely, 2^340050145 is an apocalyptic number.

It is an amenable number.

340050145 is a deficient number, since it is larger than the sum of its proper divisors (68010035).

340050145 is an equidigital number, since it uses as much as digits as its factorization.

340050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68010034.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 340050145 is about 18440.4486116797. The cubic root of 340050145 is about 697.9875156154.

The spelling of 340050145 in words is "three hundred forty million, fifty thousand, one hundred forty-five".