148404889 has 2 divisors, whose sum is σ = 148404890. Its totient is φ = 148404888.

The previous prime is 148404869. The next prime is 148404941. The reversal of 148404889 is 988404841.

148404889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 18558864 = 11395^2 + 4308^2 .

It is an emirp because it is prime and its reverse (988404841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148404889 - 2⁷ = 148404761 is a prime.

It is a super-2 number, since 2×148404889² = 44048022158204642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148404829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74202444 + 74202445.

It is an arithmetic number, because the mean of its divisors is an integer number (74202445).

Almost surely, 2^148404889 is an apocalyptic number.

It is an amenable number.

148404889 is a deficient number, since it is larger than the sum of its proper divisors (1).

148404889 is an equidigital number, since it uses as much as digits as its factorization.

148404889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 148404889 is about 12182.1545302955. The cubic root of 148404889 is about 529.4391706115.

The spelling of 148404889 in words is "one hundred forty-eight million, four hundred four thousand, eight hundred eighty-nine".