142054634 has 4 divisors (see below), whose sum is σ = 213081954. Its totient is φ = 71027316.

The previous prime is 142054607. The next prime is 142054637. The reversal of 142054634 is 436450241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96963409 + 45091225 = 9847^2 + 6715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142054597 and 142054606.

It is not an unprimeable number, because it can be changed into a prime (142054637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35513657 + ... + 35513660.

Almost surely, 2^142054634 is an apocalyptic number.

142054634 is a deficient number, since it is larger than the sum of its proper divisors (71027320).

142054634 is an equidigital number, since it uses as much as digits as its factorization.

142054634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71027319.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 142054634 is about 11918.6674590744. The cubic root of 142054634 is about 521.7772447878. Note that the first 3 decimals are identical.

The spelling of 142054634 in words is "one hundred forty-two million, fifty-four thousand, six hundred thirty-four".