145125887 has 2 divisors, whose sum is σ = 145125888. Its totient is φ = 145125886.

The previous prime is 145125863. The next prime is 145125901. The reversal of 145125887 is 788521541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145125887 - 2⁶ = 145125823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145124887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72562943 + 72562944.

It is an arithmetic number, because the mean of its divisors is an integer number (72562944).

Almost surely, 2^145125887 is an apocalyptic number.

145125887 is a deficient number, since it is larger than the sum of its proper divisors (1).

145125887 is an equidigital number, since it uses as much as digits as its factorization.

145125887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 41.

The square root of 145125887 is about 12046.8206179058. The cubic root of 145125887 is about 525.5107796894.

The spelling of 145125887 in words is "one hundred forty-five million, one hundred twenty-five thousand, eight hundred eighty-seven".