142153789 has 4 divisors (see below), whose sum is σ = 142256800. Its totient is φ = 142050780.

The previous prime is 142153783. The next prime is 142153793. The reversal of 142153789 is 987351241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142153789 - 2⁵ = 142153757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142153783) 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, 49407 + ... + 52204.

It is an arithmetic number, because the mean of its divisors is an integer number (35564200).

Almost surely, 2^142153789 is an apocalyptic number.

It is an amenable number.

142153789 is a deficient number, since it is larger than the sum of its proper divisors (103011).

142153789 is a wasteful number, since it uses less digits than its factorization.

142153789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103010.

The product of its digits is 60480, while the sum is 40.

The square root of 142153789 is about 11922.8263847126. The cubic root of 142153789 is about 521.8986177845.

The spelling of 142153789 in words is "one hundred forty-two million, one hundred fifty-three thousand, seven hundred eighty-nine".