147424547 has 4 divisors (see below), whose sum is σ = 147499656. Its totient is φ = 147349440.

The previous prime is 147424523. The next prime is 147424559. The reversal of 147424547 is 745424741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745424741 = 23833 ⋅31277.

It is a cyclic number.

It is not a de Polignac number, because 147424547 - 2⁶ = 147424483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147424547.

It is not an unprimeable number, because it can be changed into a prime (147424567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34529 + ... + 38562.

It is an arithmetic number, because the mean of its divisors is an integer number (36874914).

Almost surely, 2^147424547 is an apocalyptic number.

147424547 is a deficient number, since it is larger than the sum of its proper divisors (75109).

147424547 is an equidigital number, since it uses as much as digits as its factorization.

147424547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75108.

The product of its digits is 125440, while the sum is 38.

The square root of 147424547 is about 12141.8510532785. The cubic root of 147424547 is about 528.2707936690.

The spelling of 147424547 in words is "one hundred forty-seven million, four hundred twenty-four thousand, five hundred forty-seven".