299106142 has 4 divisors (see below), whose sum is σ = 448659216. Its totient is φ = 149553070.

The previous prime is 299106139. The next prime is 299106161. The reversal of 299106142 is 241601992.

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

It is a junction number, because it is equal to n+sod(n) for n = 299106098 and 299106107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74776534 + ... + 74776537.

It is an arithmetic number, because the mean of its divisors is an integer number (112164804).

Almost surely, 2^299106142 is an apocalyptic number.

299106142 is a deficient number, since it is larger than the sum of its proper divisors (149553074).

299106142 is a wasteful number, since it uses less digits than its factorization.

299106142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149553073.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 299106142 is about 17294.6853686328. The cubic root of 299106142 is about 668.7674242177.

The spelling of 299106142 in words is "two hundred ninety-nine million, one hundred six thousand, one hundred forty-two".