142221650356 has 48 divisors (see below), whose sum is σ = 259355924352. Its totient is φ = 68177289600.

The previous prime is 142221650353. The next prime is 142221650369. The reversal of 142221650356 is 653056122241.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142221650353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36681490 + ... + 36685366.

It is an arithmetic number, because the mean of its divisors is an integer number (5403248424).

Almost surely, 2^142221650356 is an apocalyptic number.

It is an amenable number.

142221650356 is a deficient number, since it is larger than the sum of its proper divisors (117134273996).

142221650356 is a wasteful number, since it uses less digits than its factorization.

142221650356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7478 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 142221650356 its reverse (653056122241), we get a palindrome (795277772597).

The spelling of 142221650356 in words is "one hundred forty-two billion, two hundred twenty-one million, six hundred fifty thousand, three hundred fifty-six".