142530223440 has 160 divisors (see below), whose sum is σ = 489913679232. Its totient is φ = 33986304000.

The previous prime is 142530223427. The next prime is 142530223457. The reversal of 142530223440 is 44322035241.

142530223440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 142530223398 and 142530223407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281491 + ... + 603570.

Almost surely, 2^142530223440 is an apocalyptic number.

142530223440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142530223440 is an abundant number, since it is smaller than the sum of its proper divisors (347383455792).

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

142530223440 is a wasteful number, since it uses less digits than its factorization.

142530223440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885149 (or 885143 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 142530223440 its reverse (44322035241), we get a palindrome (186852258681).

The spelling of 142530223440 in words is "one hundred forty-two billion, five hundred thirty million, two hundred twenty-three thousand, four hundred forty".