142201042 has 8 divisors (see below), whose sum is σ = 222575616. Its totient is φ = 68009172.

The previous prime is 142201009. The next prime is 142201069. The reversal of 142201042 is 240102241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142201042² = 40442272691771528, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1545618 + ... + 1545709.

It is an arithmetic number, because the mean of its divisors is an integer number (27821952).

Almost surely, 2^142201042 is an apocalyptic number.

142201042 is a deficient number, since it is larger than the sum of its proper divisors (80374574).

142201042 is a wasteful number, since it uses less digits than its factorization.

142201042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091352.

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

The square root of 142201042 is about 11924.8078391226. The cubic root of 142201042 is about 521.9564390674.

Adding to 142201042 its reverse (240102241), we get a palindrome (382303283).

The spelling of 142201042 in words is "one hundred forty-two million, two hundred one thousand, forty-two".