146886241 has 4 divisors (see below), whose sum is σ = 146910484. Its totient is φ = 146862000.

The previous prime is 146886221. The next prime is 146886251. The reversal of 146886241 is 142688641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 142688641 = 167 ⋅854423.

It can be written as a sum of positive squares in 2 ways, for example, as 44957025 + 101929216 = 6705^2 + 10096^2 .

It is a cyclic number.

It is not a de Polignac number, because 146886241 - 2⁵ = 146886209 is a prime.

It is a super-2 number, since 2×146886241² = 43151135590220162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146886194 and 146886203.

It is not an unprimeable number, because it can be changed into a prime (146886221) 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, 5791 + ... + 18091.

It is an arithmetic number, because the mean of its divisors is an integer number (36727621).

Almost surely, 2^146886241 is an apocalyptic number.

It is an amenable number.

146886241 is a deficient number, since it is larger than the sum of its proper divisors (24243).

146886241 is a wasteful number, since it uses less digits than its factorization.

146886241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24242.

The product of its digits is 73728, while the sum is 40.

The square root of 146886241 is about 12119.6634029168. The cubic root of 146886241 is about 527.6270334872.

The spelling of 146886241 in words is "one hundred forty-six million, eight hundred eighty-six thousand, two hundred forty-one".