147839033 has 2 divisors, whose sum is σ = 147839034. Its totient is φ = 147839032.

The previous prime is 147838997. The next prime is 147839047. The reversal of 147839033 is 330938741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146700544 + 1138489 = 12112^2 + 1067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147839033 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (147835033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73919516 + 73919517.

It is an arithmetic number, because the mean of its divisors is an integer number (73919517).

Almost surely, 2^147839033 is an apocalyptic number.

It is an amenable number.

147839033 is a deficient number, since it is larger than the sum of its proper divisors (1).

147839033 is an equidigital number, since it uses as much as digits as its factorization.

147839033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 147839033 is about 12158.9075578359. The cubic root of 147839033 is about 528.7654104494.

The spelling of 147839033 in words is "one hundred forty-seven million, eight hundred thirty-nine thousand, thirty-three".