142078077484 has 24 divisors (see below), whose sum is σ = 284630572800. Its totient is φ = 60788943696.

The previous prime is 142078077347. The next prime is 142078077497. The reversal of 142078077484 is 484770870241.

It is a super-3 number, since 3×142078077484³ (a number of 34 digits) contains 333 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, 4218802 + ... + 4252345.

It is an arithmetic number, because the mean of its divisors is an integer number (11859607200).

Almost surely, 2^142078077484 is an apocalyptic number.

142078077484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142078077484 is an abundant number, since it is smaller than the sum of its proper divisors (142552495316).

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

142078077484 is a wasteful number, since it uses less digits than its factorization.

142078077484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471757 (or 8471755 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 52.

The spelling of 142078077484 in words is "one hundred forty-two billion, seventy-eight million, seventy-seven thousand, four hundred eighty-four".