148022775489 has 4 divisors (see below), whose sum is σ = 197363700656. Its totient is φ = 98681850324.

The previous prime is 148022775457. The next prime is 148022775503. The reversal of 148022775489 is 984577220841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 148022775489 - 2⁵ = 148022775457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148022771489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24670462579 + ... + 24670462584.

It is an arithmetic number, because the mean of its divisors is an integer number (49340925164).

Almost surely, 2^148022775489 is an apocalyptic number.

It is an amenable number.

148022775489 is a deficient number, since it is larger than the sum of its proper divisors (49340925167).

148022775489 is an equidigital number, since it uses as much as digits as its factorization.

148022775489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49340925166.

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 148022775489 in words is "one hundred forty-eight billion, twenty-two million, seven hundred seventy-five thousand, four hundred eighty-nine".