147944479 has 2 divisors, whose sum is σ = 147944480. Its totient is φ = 147944478.

The previous prime is 147944471. The next prime is 147944551. The reversal of 147944479 is 974449741.

147944479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147944479 - 2³ = 147944471 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147944471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73972239 + 73972240.

It is an arithmetic number, because the mean of its divisors is an integer number (73972240).

Almost surely, 2^147944479 is an apocalyptic number.

147944479 is a deficient number, since it is larger than the sum of its proper divisors (1).

147944479 is an equidigital number, since it uses as much as digits as its factorization.

147944479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 147944479 is about 12163.2429475038. The cubic root of 147944479 is about 528.8910943223.

The spelling of 147944479 in words is "one hundred forty-seven million, nine hundred forty-four thousand, four hundred seventy-nine".