142727750 has 128 divisors (see below), whose sum is σ = 320246784. Its totient is φ = 47040000.

The previous prime is 142727749. The next prime is 142727789. The reversal of 142727750 is 57727241.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142727750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2010215 + ... + 2010285.

It is an arithmetic number, because the mean of its divisors is an integer number (2501928).

Almost surely, 2^142727750 is an apocalyptic number.

142727750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142727750 is an abundant number, since it is smaller than the sum of its proper divisors (177519034).

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

142727750 is a wasteful number, since it uses less digits than its factorization.

142727750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 142727750 is about 11946.8719755424. The cubic root of 142727750 is about 522.6000815591.

It can be divided in two parts, 14272 and 7750, that added together give a palindrome (22022).

The spelling of 142727750 in words is "one hundred forty-two million, seven hundred twenty-seven thousand, seven hundred fifty".