142606001644 has 24 divisors (see below), whose sum is σ = 264262406688. Its totient is φ = 67103151360.

The previous prime is 142606001621. The next prime is 142606001653. The reversal of 142606001644 is 446100606241.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808014 + ... + 968554.

It is an arithmetic number, because the mean of its divisors is an integer number (11010933612).

Almost surely, 2^142606001644 is an apocalyptic number.

It is an amenable number.

142606001644 is a deficient number, since it is larger than the sum of its proper divisors (121656405044).

142606001644 is a wasteful number, since it uses less digits than its factorization.

142606001644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173625 (or 173623 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 142606001644 its reverse (446100606241), we get a palindrome (588706607885).

The spelling of 142606001644 in words is "one hundred forty-two billion, six hundred six million, one thousand, six hundred forty-four".