142601146 has 8 divisors (see below), whose sum is σ = 214790004. Its totient is φ = 71004480.

The previous prime is 142601087. The next prime is 142601161. The reversal of 142601146 is 641106241.

It can be written as a sum of positive squares in 2 ways, for example, as 141253225 + 1347921 = 11885^2 + 1161^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 142601146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147445 + ... + 148408.

Almost surely, 2^142601146 is an apocalyptic number.

142601146 is a deficient number, since it is larger than the sum of its proper divisors (72188858).

142601146 is a wasteful number, since it uses less digits than its factorization.

142601146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296096.

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

The square root of 142601146 is about 11941.5721745506. The cubic root of 142601146 is about 522.4455149493.

Adding to 142601146 its reverse (641106241), we get a palindrome (783707387).

The spelling of 142601146 in words is "one hundred forty-two million, six hundred one thousand, one hundred forty-six".