142017367428 has 18 divisors (see below), whose sum is σ = 358988345534. Its totient is φ = 47339122464.

The previous prime is 142017367423. The next prime is 142017367451. The reversal of 142017367428 is 824763710241.

142017367428 is a `hidden beast` number, since 14 + 201 + 7 + 3 + 6 + 7 + 428 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121953211524 + 20064155904 = 349218^2 + 141648^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (142017367421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1972463401 + ... + 1972463472.

Almost surely, 2^142017367428 is an apocalyptic number.

142017367428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142017367428 is an abundant number, since it is smaller than the sum of its proper divisors (216970978106).

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

142017367428 is a wasteful number, since it uses less digits than its factorization.

142017367428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944926883 (or 3944926878 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 142017367428 in words is "one hundred forty-two billion, seventeen million, three hundred sixty-seven thousand, four hundred twenty-eight".