142985709440 has 128 divisors (see below), whose sum is σ = 403259627520. Its totient is φ = 47442216960.

The previous prime is 142985709359. The next prime is 142985709457. The reversal of 142985709440 is 44907589241.

142985709440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×142985709440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 375902 + ... + 653661.

It is an arithmetic number, because the mean of its divisors is an integer number (3150465840).

Almost surely, 2^142985709440 is an apocalyptic number.

142985709440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142985709440 is an abundant number, since it is smaller than the sum of its proper divisors (260273918080).

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

142985709440 is a wasteful number, since it uses less digits than its factorization.

142985709440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029620 (or 1029608 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 142985709440 in words is "one hundred forty-two billion, nine hundred eighty-five million, seven hundred nine thousand, four hundred forty".