142751699 has 4 divisors (see below), whose sum is σ = 144223464. Its totient is φ = 141279936.

The previous prime is 142751663. The next prime is 142751723. The reversal of 142751699 is 996157241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142751699 - 2¹⁶ = 142686163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142751629) 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 3 ways as a sum of consecutive naturals, for example, 735737 + ... + 735930.

It is an arithmetic number, because the mean of its divisors is an integer number (36055866).

Almost surely, 2^142751699 is an apocalyptic number.

142751699 is a deficient number, since it is larger than the sum of its proper divisors (1471765).

142751699 is an equidigital number, since it uses as much as digits as its factorization.

142751699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471764.

The product of its digits is 136080, while the sum is 44.

The square root of 142751699 is about 11947.8742460741. The cubic root of 142751699 is about 522.6293098145.

The spelling of 142751699 in words is "one hundred forty-two million, seven hundred fifty-one thousand, six hundred ninety-nine".