142058689961 has 8 divisors (see below), whose sum is σ = 145910471880. Its totient is φ = 138207558528.

The previous prime is 142058689957. The next prime is 142058689967. The reversal of 142058689961 is 169986850241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96390999961 + 45667690000 = 310469^2 + 213700^2 .

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 142058689961 - 2² = 142058689957 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 142058689961.

It is not an unprimeable number, because it can be changed into a prime (142058689967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297485 + ... + 610421.

It is an arithmetic number, because the mean of its divisors is an integer number (18238808985).

Almost surely, 2^142058689961 is an apocalyptic number.

It is an amenable number.

142058689961 is a deficient number, since it is larger than the sum of its proper divisors (3851781919).

142058689961 is a wasteful number, since it uses less digits than its factorization.

142058689961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325243.

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 142058689961 in words is "one hundred forty-two billion, fifty-eight million, six hundred eighty-nine thousand, nine hundred sixty-one".