147289069 has 2 divisors, whose sum is σ = 147289070. Its totient is φ = 147289068.

The previous prime is 147289027. The next prime is 147289099. The reversal of 147289069 is 960982741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120890025 + 26399044 = 10995^2 + 5138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147289069 is a prime.

It is a super-2 number, since 2×147289069² = 43388139693773522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147289099) 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 as a sum of consecutive naturals, namely, 73644534 + 73644535.

It is an arithmetic number, because the mean of its divisors is an integer number (73644535).

Almost surely, 2^147289069 is an apocalyptic number.

It is an amenable number.

147289069 is a deficient number, since it is larger than the sum of its proper divisors (1).

147289069 is an equidigital number, since it uses as much as digits as its factorization.

147289069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 147289069 is about 12136.2708028455. The cubic root of 147289069 is about 528.1089232831.

The spelling of 147289069 in words is "one hundred forty-seven million, two hundred eighty-nine thousand, sixty-nine".