147242679 has 8 divisors (see below), whose sum is σ = 199013232. Its totient is φ = 96816960.

The previous prime is 147242671. The next prime is 147242713. The reversal of 147242679 is 976242741.

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

It is not a de Polignac number, because 147242679 - 2³ = 147242671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147242679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147242671) 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 7 ways as a sum of consecutive naturals, for example, 335952 + ... + 336389.

It is an arithmetic number, because the mean of its divisors is an integer number (24876654).

Almost surely, 2^147242679 is an apocalyptic number.

147242679 is a deficient number, since it is larger than the sum of its proper divisors (51770553).

147242679 is an equidigital number, since it uses as much as digits as its factorization.

147242679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672417.

The product of its digits is 169344, while the sum is 42.

The square root of 147242679 is about 12134.3594392123. The cubic root of 147242679 is about 528.0534732631.

The spelling of 147242679 in words is "one hundred forty-seven million, two hundred forty-two thousand, six hundred seventy-nine".