148409887 has 2 divisors, whose sum is σ = 148409888. Its totient is φ = 148409886.

The previous prime is 148409867. The next prime is 148409917. The reversal of 148409887 is 788904841.

148409887 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 is a cyclic number.

It is not a de Polignac number, because 148409887 - 2⁷ = 148409759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148409887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148409837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74204943 + 74204944.

It is an arithmetic number, because the mean of its divisors is an integer number (74204944).

Almost surely, 2^148409887 is an apocalyptic number.

148409887 is a deficient number, since it is larger than the sum of its proper divisors (1).

148409887 is an equidigital number, since it uses as much as digits as its factorization.

148409887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 148409887 is about 12182.3596646955. The cubic root of 148409887 is about 529.4451140529.

The spelling of 148409887 in words is "one hundred forty-eight million, four hundred nine thousand, eight hundred eighty-seven".