142445655236 has 24 divisors (see below), whose sum is σ = 253444367064. Its totient is φ = 70033697280.

The previous prime is 142445655227. The next prime is 142445655277. The reversal of 142445655236 is 632556544241.

It can be written as a sum of positive squares in 4 ways, for example, as 2116000000 + 140329655236 = 46000^2 + 374606^2 .

It is a super-2 number, since 2×142445655236² (a number of 23 digits) contains 22 as substring.

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, 720266 + ... + 896478.

It is an arithmetic number, because the mean of its divisors is an integer number (10560181961).

Almost surely, 2^142445655236 is an apocalyptic number.

It is an amenable number.

142445655236 is a deficient number, since it is larger than the sum of its proper divisors (110998711828).

142445655236 is a wasteful number, since it uses less digits than its factorization.

142445655236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179591 (or 179589 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

The spelling of 142445655236 in words is "one hundred forty-two billion, four hundred forty-five million, six hundred fifty-five thousand, two hundred thirty-six".