142146967 has 4 divisors (see below), whose sum is σ = 142225776. Its totient is φ = 142068160.

The previous prime is 142146947. The next prime is 142146971. The reversal of 142146967 is 769641241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769641241 = 257 ⋅2994713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142146967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142146947) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 36634 + ... + 40327.

It is an arithmetic number, because the mean of its divisors is an integer number (35556444).

Almost surely, 2^142146967 is an apocalyptic number.

142146967 is a deficient number, since it is larger than the sum of its proper divisors (78809).

142146967 is an equidigital number, since it uses as much as digits as its factorization.

142146967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78808.

The product of its digits is 72576, while the sum is 40.

The square root of 142146967 is about 11922.5402913976. The cubic root of 142146967 is about 521.8902689641.

The spelling of 142146967 in words is "one hundred forty-two million, one hundred forty-six thousand, nine hundred sixty-seven".