142270441 has 2 divisors, whose sum is σ = 142270442. Its totient is φ = 142270440.

The previous prime is 142270421. The next prime is 142270477. The reversal of 142270441 is 144072241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142086400 + 184041 = 11920^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 142270441 - 2⁵ = 142270409 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (142270411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71135220 + 71135221.

It is an arithmetic number, because the mean of its divisors is an integer number (71135221).

Almost surely, 2^142270441 is an apocalyptic number.

It is an amenable number.

142270441 is a deficient number, since it is larger than the sum of its proper divisors (1).

142270441 is an equidigital number, since it uses as much as digits as its factorization.

142270441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 142270441 is about 11927.7173423920. The cubic root of 142270441 is about 522.0413361569.

The spelling of 142270441 in words is "one hundred forty-two million, two hundred seventy thousand, four hundred forty-one".