142179081958 has 4 divisors (see below), whose sum is σ = 213268622940. Its totient is φ = 71089540978.

The previous prime is 142179081943. The next prime is 142179081973. The reversal of 142179081958 is 859180971241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142179081943) and next prime (142179081973).

It is a super-2 number, since 2×142179081958² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142179081899 and 142179081908.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35544770488 + ... + 35544770491.

It is an arithmetic number, because the mean of its divisors is an integer number (53317155735).

Almost surely, 2^142179081958 is an apocalyptic number.

142179081958 is a deficient number, since it is larger than the sum of its proper divisors (71089540982).

142179081958 is an equidigital number, since it uses as much as digits as its factorization.

142179081958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71089540981.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The spelling of 142179081958 in words is "one hundred forty-two billion, one hundred seventy-nine million, eighty-one thousand, nine hundred fifty-eight".