141561814 has 4 divisors (see below), whose sum is σ = 212342724. Its totient is φ = 70780906.

The previous prime is 141561811. The next prime is 141561817. The reversal of 141561814 is 418165141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418165141 = 1451 ⋅288191.

It is an interprime number because it is at equal distance from previous prime (141561811) and next prime (141561817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141561811) 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 as a sum of consecutive naturals, namely, 35390452 + ... + 35390455.

It is an arithmetic number, because the mean of its divisors is an integer number (53085681).

Almost surely, 2^141561814 is an apocalyptic number.

141561814 is a deficient number, since it is larger than the sum of its proper divisors (70780910).

141561814 is an equidigital number, since it uses as much as digits as its factorization.

141561814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70780909.

The product of its digits is 3840, while the sum is 31.

The square root of 141561814 is about 11897.9752058911. The cubic root of 141561814 is about 521.1731574947.

The spelling of 141561814 in words is "one hundred forty-one million, five hundred sixty-one thousand, eight hundred fourteen".