142883191 has 16 divisors (see below), whose sum is σ = 159770880. Its totient is φ = 126681280.

The previous prime is 142883137. The next prime is 142883227. The reversal of 142883191 is 191388241.

It is not a de Polignac number, because 142883191 - 2⁷ = 142883063 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 142883191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142883131) 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 15 ways as a sum of consecutive naturals, for example, 88110 + ... + 89716.

It is an arithmetic number, because the mean of its divisors is an integer number (9985680).

Almost surely, 2^142883191 is an apocalyptic number.

142883191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142883191 is a deficient number, since it is larger than the sum of its proper divisors (16887689).

142883191 is a wasteful number, since it uses less digits than its factorization.

142883191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its digits is 13824, while the sum is 37.

The square root of 142883191 is about 11953.3757156713. The cubic root of 142883191 is about 522.7897293498.

The spelling of 142883191 in words is "one hundred forty-two million, eight hundred eighty-three thousand, one hundred ninety-one".