148855689 has 36 divisors (see below), whose sum is σ = 232109748. Its totient is φ = 91607040.

The previous prime is 148855673. The next prime is 148855697. The reversal of 148855689 is 986558841.

It is a happy number.

148855689 is a `hidden beast` number, since 1 + 4 + 8 + 8 + 556 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 76265289 + 72590400 = 8733^2 + 8520^2 .

It is not a de Polignac number, because 148855689 - 2⁴ = 148855673 is a prime.

It is a super-2 number, since 2×148855689² = 44316032295329442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148855669) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 771177 + ... + 771369.

It is an arithmetic number, because the mean of its divisors is an integer number (6447493).

Almost surely, 2^148855689 is an apocalyptic number.

It is an amenable number.

148855689 is a deficient number, since it is larger than the sum of its proper divisors (83254059).

148855689 is a wasteful number, since it uses less digits than its factorization.

148855689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 284 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 148855689 is about 12200.6429748600. The cubic root of 148855689 is about 529.9747098411.

The spelling of 148855689 in words is "one hundred forty-eight million, eight hundred fifty-five thousand, six hundred eighty-nine".