142310018194 has 8 divisors (see below), whose sum is σ = 213471494460. Its totient is φ = 71152853376.

The previous prime is 142310018177. The next prime is 142310018237. The reversal of 142310018194 is 491810013241.

It can be written as a sum of positive squares in 2 ways, for example, as 142193097225 + 116920969 = 377085^2 + 10813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142310018194² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994039 + ... + 1128154.

Almost surely, 2^142310018194 is an apocalyptic number.

142310018194 is a deficient number, since it is larger than the sum of its proper divisors (71161476266).

142310018194 is a wasteful number, since it uses less digits than its factorization.

142310018194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155724.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 142310018194 in words is "one hundred forty-two billion, three hundred ten million, eighteen thousand, one hundred ninety-four".