142756222500 has 300 divisors, whose sum is σ = 471641260860. Its totient is φ = 37640592000.

The previous prime is 142756222481. The next prime is 142756222519. The reversal of 142756222500 is 5222657241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

142756222500 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 5 + 622 + 25 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (142756222481) and next prime (142756222519).

It can be written as a sum of positive squares in 10 ways, for example, as 122242535424 + 20513687076 = 349632^2 + 143226^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 6675 × 4005 × 5340.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 1604002456 + ... + 1604002544.

Almost surely, 2^142756222500 is an apocalyptic number.

142756222500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142756222500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235820630430).

142756222500 is an abundant number, since it is smaller than the sum of its proper divisors (328885038360).

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

142756222500 is an frugal number, since it uses more digits than its factorization.

142756222500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 142756222500 its reverse (5222657241), we get a palindrome (147978879741).

The spelling of 142756222500 in words is "one hundred forty-two billion, seven hundred fifty-six million, two hundred twenty-two thousand, five hundred".