147898369 has 2 divisors, whose sum is σ = 147898370. Its totient is φ = 147898368.

The previous prime is 147898339. The next prime is 147898391. The reversal of 147898369 is 963898741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 35856144 = 10585^2 + 5988^2 .

It is a cyclic number.

It is not a de Polignac number, because 147898369 - 2²¹ = 145801217 is a prime.

It is a super-2 number, since 2×147898369² = 43747855105720322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (147898339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73949184 + 73949185.

It is an arithmetic number, because the mean of its divisors is an integer number (73949185).

It is a Proth number, since it is equal to 9027 ⋅ 2¹⁴ + 1 and 9027 < 2¹⁴.

Almost surely, 2^147898369 is an apocalyptic number.

It is an amenable number.

147898369 is a deficient number, since it is larger than the sum of its proper divisors (1).

147898369 is an equidigital number, since it uses as much as digits as its factorization.

147898369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 147898369 is about 12161.3473348967. The cubic root of 147898369 is about 528.8361419453.

The spelling of 147898369 in words is "one hundred forty-seven million, eight hundred ninety-eight thousand, three hundred sixty-nine".