142205531061 has 8 divisors (see below), whose sum is σ = 206844408864. Its totient is φ = 86185170320.

The previous prime is 142205531053. The next prime is 142205531089. The reversal of 142205531061 is 160135502241.

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 142205531061 - 2³ = 142205531053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142205531011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154629226 + ... + 2154629291.

It is an arithmetic number, because the mean of its divisors is an integer number (25855551108).

Almost surely, 2^142205531061 is an apocalyptic number.

142205531061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142205531061 is a deficient number, since it is larger than the sum of its proper divisors (64638877803).

142205531061 is a wasteful number, since it uses less digits than its factorization.

142205531061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309258531.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 142205531061 in words is "one hundred forty-two billion, two hundred five million, five hundred thirty-one thousand, sixty-one".