340145051 has 4 divisors (see below), whose sum is σ = 351117504. Its totient is φ = 329172600.

The previous prime is 340145017. The next prime is 340145123. The reversal of 340145051 is 150541043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150541043 = 191 ⋅788173.

It is a cyclic number.

It is not a de Polignac number, because 340145051 - 2²⁶ = 273036187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340145851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5486180 + ... + 5486241.

It is an arithmetic number, because the mean of its divisors is an integer number (87779376).

Almost surely, 2^340145051 is an apocalyptic number.

340145051 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

340145051 is a deficient number, since it is larger than the sum of its proper divisors (10972453).

340145051 is a wasteful number, since it uses less digits than its factorization.

340145051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972452.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 340145051 is about 18443.0217426538. The cubic root of 340145051 is about 698.0524443153.

Adding to 340145051 its reverse (150541043), we get a palindrome (490686094).

The spelling of 340145051 in words is "three hundred forty million, one hundred forty-five thousand, fifty-one".