142326187440 has 80 divisors (see below), whose sum is σ = 441311310816. Its totient is φ = 37945036800.

The previous prime is 142326187429. The next prime is 142326187453. The reversal of 142326187440 is 44781623241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 142326187392 and 142326187401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029630 + ... + 1159650.

Almost surely, 2^142326187440 is an apocalyptic number.

142326187440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142326187440 is an abundant number, since it is smaller than the sum of its proper divisors (298985123376).

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

142326187440 is a wasteful number, since it uses less digits than its factorization.

142326187440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134598 (or 134592 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 142326187440 in words is "one hundred forty-two billion, three hundred twenty-six million, one hundred eighty-seven thousand, four hundred forty".