148009478443 has 2 divisors, whose sum is σ = 148009478444. Its totient is φ = 148009478442.

The previous prime is 148009478387. The next prime is 148009478479. The reversal of 148009478443 is 344874900841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148009478443 is a prime.

It is not a weakly prime, because it can be changed into another prime (148009478483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74004739221 + 74004739222.

It is an arithmetic number, because the mean of its divisors is an integer number (74004739222).

Almost surely, 2^148009478443 is an apocalyptic number.

148009478443 is a deficient number, since it is larger than the sum of its proper divisors (1).

148009478443 is an equidigital number, since it uses as much as digits as its factorization.

148009478443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 148009478443 in words is "one hundred forty-eight billion, nine million, four hundred seventy-eight thousand, four hundred forty-three".