142705151 has 8 divisors (see below), whose sum is σ = 144532944. Its totient is φ = 140886720.

The previous prime is 142705127. The next prime is 142705153. The reversal of 142705151 is 151507241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142705151 - 2¹⁰ = 142704127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142705151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142705153) 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, 31361 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (18066618).

Almost surely, 2^142705151 is an apocalyptic number.

142705151 is a deficient number, since it is larger than the sum of its proper divisors (1827793).

142705151 is a wasteful number, since it uses less digits than its factorization.

142705151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 142705151 is about 11945.9261256715. The cubic root of 142705151 is about 522.5724978957.

The spelling of 142705151 in words is "one hundred forty-two million, seven hundred five thousand, one hundred fifty-one".