142450520656 has 40 divisors (see below), whose sum is σ = 290855902880. Its totient is φ = 67399496064.

The previous prime is 142450520633. The next prime is 142450520689. The reversal of 142450520656 is 656025054241.

It is a happy number.

It is a congruent number.

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, 546 + ... + 533761.

It is an arithmetic number, because the mean of its divisors is an integer number (7271397572).

Almost surely, 2^142450520656 is an apocalyptic number.

142450520656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142450520656 is an abundant number, since it is smaller than the sum of its proper divisors (148405382224).

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

142450520656 is a wasteful number, since it uses less digits than its factorization.

142450520656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535211 (or 535205 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 142450520656 its reverse (656025054241), we get a palindrome (798475574897).

The spelling of 142450520656 in words is "one hundred forty-two billion, four hundred fifty million, five hundred twenty thousand, six hundred fifty-six".