156340141 has 4 divisors (see below), whose sum is σ = 156424284. Its totient is φ = 156256000.

The previous prime is 156340139. The next prime is 156340169. The reversal of 156340141 is 141043651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35450116 + 120890025 = 5954^2 + 10995^2 .

It is a cyclic number.

It is not a de Polignac number, because 156340141 - 2¹ = 156340139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156340241) 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, 39220 + ... + 43021.

It is an arithmetic number, because the mean of its divisors is an integer number (39106071).

Almost surely, 2^156340141 is an apocalyptic number.

It is an amenable number.

156340141 is a deficient number, since it is larger than the sum of its proper divisors (84143).

156340141 is an equidigital number, since it uses as much as digits as its factorization.

156340141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84142.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 156340141 is about 12503.6051201244. The cubic root of 156340141 is about 538.7122274754.

Adding to 156340141 its reverse (141043651), we get a palindrome (297383792).

The spelling of 156340141 in words is "one hundred fifty-six million, three hundred forty thousand, one hundred forty-one".