142020241 has 12 divisors (see below), whose sum is σ = 157664052. Its totient is φ = 127820000.

The previous prime is 142020199. The next prime is 142020247.

142020241 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 76475025 + 65545216 = 8745^2 + 8096^2 .

It is not a de Polignac number, because 142020241 - 2¹⁵ = 141987473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142020247) 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 11 ways as a sum of consecutive naturals, for example, 6411 + ... + 18031.

It is an arithmetic number, because the mean of its divisors is an integer number (13138671).

Almost surely, 2^142020241 is an apocalyptic number.

142020241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142020241 is a deficient number, since it is larger than the sum of its proper divisors (15643811).

142020241 is a wasteful number, since it uses less digits than its factorization.

142020241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744 (or 11733 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142020241 is about 11917.2245510438. The cubic root of 142020241 is about 521.7351320393.

The spelling of 142020241 in words is "one hundred forty-two million, twenty thousand, two hundred forty-one".