142506250000 has 135 divisors (see below), whose sum is σ = 347432927583. Its totient is φ = 56625000000.

The previous prime is 142506249943. The next prime is 142506250021. The reversal of 142506250000 is 52605241.

The square root of 142506250000 is 377500.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 101319982864 + 41186267136 = 318308^2 + 202944^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 943749925 + ... + 943750075.

Almost surely, 2^142506250000 is an apocalyptic number.

142506250000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142506250000 is the 377500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142506250000

142506250000 is an abundant number, since it is smaller than the sum of its proper divisors (204926677583).

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

142506250000 is an frugal number, since it uses more digits than its factorization.

142506250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Multiplying 142506250000 by its sum of digits (25), we get a square (3562656250000 = 1887500²).

142506250000 divided by its sum of digits (25) gives a square (5700250000 = 75500²).

Adding to 142506250000 its reverse (52605241), we get a palindrome (142558855241).

The spelling of 142506250000 in words is "one hundred forty-two billion, five hundred six million, two hundred fifty thousand".