161314143 has 4 divisors (see below), whose sum is σ = 215085528. Its totient is φ = 107542760.

The previous prime is 161314141. The next prime is 161314147. The reversal of 161314143 is 341413161.

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

It is a cyclic number.

It is not a de Polignac number, because 161314143 - 2¹ = 161314141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161314141) 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, 26885688 + ... + 26885693.

It is an arithmetic number, because the mean of its divisors is an integer number (53771382).

Almost surely, 2^161314143 is an apocalyptic number.

161314143 is a deficient number, since it is larger than the sum of its proper divisors (53771385).

161314143 is an equidigital number, since it uses as much as digits as its factorization.

161314143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53771384.

The product of its digits is 864, while the sum is 24.

The square root of 161314143 is about 12700.9504762439. The cubic root of 161314143 is about 544.3657779610.

The spelling of 161314143 in words is "one hundred sixty-one million, three hundred fourteen thousand, one hundred forty-three".