142041049 has 2 divisors, whose sum is σ = 142041050. Its totient is φ = 142041048.

The previous prime is 142041041. The next prime is 142041149. The reversal of 142041049 is 940140241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77528025 + 64513024 = 8805^2 + 8032^2 .

It is a cyclic number.

It is not a de Polignac number, because 142041049 - 2³ = 142041041 is a prime.

It is not a weakly prime, because it can be changed into another prime (142041041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71020524 + 71020525.

It is an arithmetic number, because the mean of its divisors is an integer number (71020525).

Almost surely, 2^142041049 is an apocalyptic number.

It is an amenable number.

142041049 is a deficient number, since it is larger than the sum of its proper divisors (1).

142041049 is an equidigital number, since it uses as much as digits as its factorization.

142041049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 142041049 is about 11918.0975411347. The cubic root of 142041049 is about 521.7606113522.

The spelling of 142041049 in words is "one hundred forty-two million, forty-one thousand, forty-nine".