141602081 has 4 divisors (see below), whose sum is σ = 141684612. Its totient is φ = 141519552.

The previous prime is 141602063. The next prime is 141602119. The reversal of 141602081 is 180206141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180206141 = 4079 ⋅44179.

It can be written as a sum of positive squares in 2 ways, for example, as 77281681 + 64320400 = 8791^2 + 8020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141602081 is a prime.

It is a super-2 number, since 2×141602081² = 40102298687061122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141602011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38636 + ... + 42141.

It is an arithmetic number, because the mean of its divisors is an integer number (35421153).

Almost surely, 2^141602081 is an apocalyptic number.

It is an amenable number.

141602081 is a deficient number, since it is larger than the sum of its proper divisors (82531).

141602081 is an equidigital number, since it uses as much as digits as its factorization.

141602081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82530.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 141602081 is about 11899.6672642558. The cubic root of 141602081 is about 521.2225683950. Note that the first 3 decimals are identical.

The spelling of 141602081 in words is "one hundred forty-one million, six hundred two thousand, eighty-one".