148277789 has 8 divisors (see below), whose sum is σ = 163426368. Its totient is φ = 133407360.

The previous prime is 148277777. The next prime is 148277807. The reversal of 148277789 is 987772841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148277789 - 2¹² = 148273693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148277789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148277719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68417 + ... + 70550.

It is an arithmetic number, because the mean of its divisors is an integer number (20428296).

Almost surely, 2^148277789 is an apocalyptic number.

It is an amenable number.

148277789 is a deficient number, since it is larger than the sum of its proper divisors (15148579).

148277789 is a wasteful number, since it uses less digits than its factorization.

148277789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139075.

The product of its digits is 1580544, while the sum is 53.

The square root of 148277789 is about 12176.9367658701. The cubic root of 148277789 is about 529.2879830088.

The spelling of 148277789 in words is "one hundred forty-eight million, two hundred seventy-seven thousand, seven hundred eighty-nine".