148453889 has 2 divisors, whose sum is σ = 148453890. Its totient is φ = 148453888.

The previous prime is 148453867. The next prime is 148453909. The reversal of 148453889 is 988354841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147865600 + 588289 = 12160^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 148453889 - 2⁸ = 148453633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148453819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74226944 + 74226945.

It is an arithmetic number, because the mean of its divisors is an integer number (74226945).

Almost surely, 2^148453889 is an apocalyptic number.

It is an amenable number.

148453889 is a deficient number, since it is larger than the sum of its proper divisors (1).

148453889 is an equidigital number, since it uses as much as digits as its factorization.

148453889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 50.

The square root of 148453889 is about 12184.1655028155. The cubic root of 148453889 is about 529.4974338867.

The spelling of 148453889 in words is "one hundred forty-eight million, four hundred fifty-three thousand, eight hundred eighty-nine".