148240141 has 20 divisors (see below), whose sum is σ = 178983900. Its totient is φ = 122623872.

The previous prime is 148240139. The next prime is 148240159. The reversal of 148240141 is 141042841.

It can be written as a sum of positive squares in 2 ways, for example, as 56942116 + 91298025 = 7546^2 + 9555^2 .

It is not a de Polignac number, because 148240141 - 2¹ = 148240139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148240111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68565 + ... + 70693.

It is an arithmetic number, because the mean of its divisors is an integer number (8949195).

Almost surely, 2^148240141 is an apocalyptic number.

It is an amenable number.

148240141 is a deficient number, since it is larger than the sum of its proper divisors (30743759).

148240141 is an frugal number, since it uses more digits than its factorization.

148240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 148240141 is about 12175.3907945495. The cubic root of 148240141 is about 529.2431834902.

Adding to 148240141 its reverse (141042841), we get a palindrome (289282982).

The spelling of 148240141 in words is "one hundred forty-eight million, two hundred forty thousand, one hundred forty-one".