142145126146 has 32 divisors (see below), whose sum is σ = 221433283440. Its totient is φ = 68353560576.

The previous prime is 142145126107. The next prime is 142145126183. The reversal of 142145126146 is 641621541241.

It can be written as a sum of positive squares in 8 ways, for example, as 40718800521 + 101426325625 = 201789^2 + 318475^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37082646 + ... + 37086478.

Almost surely, 2^142145126146 is an apocalyptic number.

142145126146 is a deficient number, since it is larger than the sum of its proper divisors (79288157294).

142145126146 is a wasteful number, since it uses less digits than its factorization.

142145126146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198.

The product of its digits is 46080, while the sum is 37.

Adding to 142145126146 its reverse (641621541241), we get a palindrome (783766667387).

The spelling of 142145126146 in words is "one hundred forty-two billion, one hundred forty-five million, one hundred twenty-six thousand, one hundred forty-six".