147444719 has 2 divisors, whose sum is σ = 147444720. Its totient is φ = 147444718.

The previous prime is 147444709. The next prime is 147444751. The reversal of 147444719 is 917444741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147444719 - 2²⁰ = 146396143 is a prime.

It is a super-2 number, since 2×147444719² = 43479890321977922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147444709) 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, 73722359 + 73722360.

It is an arithmetic number, because the mean of its divisors is an integer number (73722360).

Almost surely, 2^147444719 is an apocalyptic number.

147444719 is a deficient number, since it is larger than the sum of its proper divisors (1).

147444719 is an equidigital number, since it uses as much as digits as its factorization.

147444719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 147444719 is about 12142.6817054553. The cubic root of 147444719 is about 528.2948868807.

The spelling of 147444719 in words is "one hundred forty-seven million, four hundred forty-four thousand, seven hundred nineteen".