147142547 has 2 divisors, whose sum is σ = 147142548. Its totient is φ = 147142546.

The previous prime is 147142511. The next prime is 147142561. The reversal of 147142547 is 745241741.

147142547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147142547 - 2⁸ = 147142291 is a prime.

It is not a weakly prime, because it can be changed into another prime (147142507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73571273 + 73571274.

It is an arithmetic number, because the mean of its divisors is an integer number (73571274).

Almost surely, 2^147142547 is an apocalyptic number.

147142547 is a deficient number, since it is larger than the sum of its proper divisors (1).

147142547 is an equidigital number, since it uses as much as digits as its factorization.

147142547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 35.

The square root of 147142547 is about 12130.2327677584. The cubic root of 147142547 is about 527.9337456563.

The spelling of 147142547 in words is "one hundred forty-seven million, one hundred forty-two thousand, five hundred forty-seven".