142709750 has 16 divisors (see below), whose sum is σ = 267153120. Its totient is φ = 57083800.

The previous prime is 142709737. The next prime is 142709753. The reversal of 142709750 is 57907241.

It is a self number, because there is not a number n which added to its sum of digits gives 142709750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142709753) 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 7 ways as a sum of consecutive naturals, for example, 285170 + ... + 285669.

It is an arithmetic number, because the mean of its divisors is an integer number (16697070).

Almost surely, 2^142709750 is an apocalyptic number.

142709750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142709750 is a deficient number, since it is larger than the sum of its proper divisors (124443370).

142709750 is an equidigital number, since it uses as much as digits as its factorization.

142709750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570856 (or 570846 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 142709750 is about 11946.1186165214. The cubic root of 142709750 is about 522.5781115335.

The spelling of 142709750 in words is "one hundred forty-two million, seven hundred nine thousand, seven hundred fifty".