142194124 has 12 divisors (see below), whose sum is σ = 253535184. Its totient is φ = 69755504.

The previous prime is 142194121. The next prime is 142194131. The reversal of 142194124 is 421491241.

It is a junction number, because it is equal to n+sod(n) for n = 142194092 and 142194101.

It is not an unprimeable number, because it can be changed into a prime (142194121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335152 + ... + 335575.

It is an arithmetic number, because the mean of its divisors is an integer number (21127932).

Almost surely, 2^142194124 is an apocalyptic number.

It is an amenable number.

142194124 is a deficient number, since it is larger than the sum of its proper divisors (111341060).

142194124 is a wasteful number, since it uses less digits than its factorization.

142194124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670784 (or 670782 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 142194124 is about 11924.5177680274. The cubic root of 142194124 is about 521.9479746353.

The spelling of 142194124 in words is "one hundred forty-two million, one hundred ninety-four thousand, one hundred twenty-four".