6446603142 has 24 divisors (see below), whose sum is σ = 15963017616. Its totient is φ = 1841886576.

The previous prime is 6446603101. The next prime is 6446603147. The reversal of 6446603142 is 2413066446.

6446603142 is a `hidden beast` number, since 6 + 4 + 4 + 6 + 603 + 1 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6446603097 and 6446603106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446603147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25581633 + ... + 25581884.

It is an arithmetic number, because the mean of its divisors is an integer number (665125734).

Almost surely, 2^6446603142 is an apocalyptic number.

6446603142 is an abundant number, since it is smaller than the sum of its proper divisors (9516414474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6446603142 is a wasteful number, since it uses less digits than its factorization.

6446603142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51163532 (or 51163529 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6446603142 is about 80290.7413217738. The cubic root of 6446603142 is about 1861.1311520518.

Adding to 6446603142 its reverse (2413066446), we get a palindrome (8859669588).

The spelling of 6446603142 in words is "six billion, four hundred forty-six million, six hundred three thousand, one hundred forty-two".