142985198322 has 54 divisors (see below), whose sum is σ = 321797836269. Its totient is φ = 47647294200.

The previous prime is 142985198287. The next prime is 142985198329. The reversal of 142985198322 is 223891589241.

142985198322 is a `hidden beast` number, since 1 + 4 + 2 + 98 + 519 + 8 + 32 + 2 = 666.

142985198322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129399197841 + 13586000481 = 359721^2 + 116559^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=267381.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (142985198329) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 43314072 + ... + 43317372.

Almost surely, 2^142985198322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142985198322

142985198322 is an abundant number, since it is smaller than the sum of its proper divisors (178812637947).

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

142985198322 is an frugal number, since it uses more digits than its factorization.

142985198322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628 (or 3306 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 142985198322 in words is "one hundred forty-two billion, nine hundred eighty-five million, one hundred ninety-eight thousand, three hundred twenty-two".