142054637 has 2 divisors, whose sum is σ = 142054638. Its totient is φ = 142054636.

The previous prime is 142054607. The next prime is 142054687. The reversal of 142054637 is 736450241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104734756 + 37319881 = 10234^2 + 6109^2 .

It is a cyclic number.

It is not a de Polignac number, because 142054637 - 2⁶ = 142054573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142054607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71027318 + 71027319.

It is an arithmetic number, because the mean of its divisors is an integer number (71027319).

Almost surely, 2^142054637 is an apocalyptic number.

It is an amenable number.

142054637 is a deficient number, since it is larger than the sum of its proper divisors (1).

142054637 is an equidigital number, since it uses as much as digits as its factorization.

142054637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 142054637 is about 11918.6675849274. The cubic root of 142054637 is about 521.7772484609. Note that the first 3 decimals are identical.

The spelling of 142054637 in words is "one hundred forty-two million, fifty-four thousand, six hundred thirty-seven".