141851161 has 8 divisors (see below), whose sum is σ = 144758664. Its totient is φ = 138952320.

The previous prime is 141851153. The next prime is 141851173. The reversal of 141851161 is 161158141.

It can be written as a sum of positive squares in 4 ways, for example, as 24800400 + 117050761 = 4980^2 + 10819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141851161 - 2³ = 141851153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141851461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38575 + ... + 42091.

It is an arithmetic number, because the mean of its divisors is an integer number (18094833).

Almost surely, 2^141851161 is an apocalyptic number.

It is an amenable number.

141851161 is a deficient number, since it is larger than the sum of its proper divisors (2907503).

141851161 is an equidigital number, since it uses as much as digits as its factorization.

141851161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331.

The product of its digits is 960, while the sum is 28.

The square root of 141851161 is about 11910.1285047643. The cubic root of 141851161 is about 521.5280019234.

The spelling of 141851161 in words is "one hundred forty-one million, eight hundred fifty-one thousand, one hundred sixty-one".