147989033 has 2 divisors, whose sum is σ = 147989034. Its totient is φ = 147989032.

The previous prime is 147988993. The next prime is 147989057. The reversal of 147989033 is 330989741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139877929 + 8111104 = 11827^2 + 2848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147989033 is a prime.

It is not a weakly prime, because it can be changed into another prime (147982033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73994516 + 73994517.

It is an arithmetic number, because the mean of its divisors is an integer number (73994517).

Almost surely, 2^147989033 is an apocalyptic number.

It is an amenable number.

147989033 is a deficient number, since it is larger than the sum of its proper divisors (1).

147989033 is an equidigital number, since it uses as much as digits as its factorization.

147989033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 147989033 is about 12165.0743113226. The cubic root of 147989033 is about 528.9441814644.

The spelling of 147989033 in words is "one hundred forty-seven million, nine hundred eighty-nine thousand, thirty-three".