148606889 has 2 divisors, whose sum is σ = 148606890. Its totient is φ = 148606888.

The previous prime is 148606879. The next prime is 148606897. The reversal of 148606889 is 988606841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94731289 + 53875600 = 9733^2 + 7340^2 .

It is a cyclic number.

It is not a de Polignac number, because 148606889 - 2¹⁶ = 148541353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148606819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74303444 + 74303445.

It is an arithmetic number, because the mean of its divisors is an integer number (74303445).

Almost surely, 2^148606889 is an apocalyptic number.

It is an amenable number.

148606889 is a deficient number, since it is larger than the sum of its proper divisors (1).

148606889 is an equidigital number, since it uses as much as digits as its factorization.

148606889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 148606889 is about 12190.4425268322. The cubic root of 148606889 is about 529.6792755179.

The spelling of 148606889 in words is "one hundred forty-eight million, six hundred six thousand, eight hundred eighty-nine".