142967647 has 8 divisors (see below), whose sum is σ = 153992960. Its totient is φ = 132292440.

The previous prime is 142967641. The next prime is 142967681. The reversal of 142967647 is 746769241.

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

It is not a de Polignac number, because 142967647 - 2³ = 142967639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142967597 and 142967606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142967641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86679 + ... + 88312.

It is an arithmetic number, because the mean of its divisors is an integer number (19249120).

Almost surely, 2^142967647 is an apocalyptic number.

142967647 is a deficient number, since it is larger than the sum of its proper divisors (11025313).

142967647 is a wasteful number, since it uses less digits than its factorization.

142967647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175053.

The product of its digits is 508032, while the sum is 46.

The square root of 142967647 is about 11956.9079196923. The cubic root of 142967647 is about 522.8927133154.

The spelling of 142967647 in words is "one hundred forty-two million, nine hundred sixty-seven thousand, six hundred forty-seven".