145099347887 has 12 divisors (see below), whose sum is σ = 157302905760. Its totient is φ = 133781439168.

The previous prime is 145099347859. The next prime is 145099347901. The reversal of 145099347887 is 788743990541.

145099347887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145099347887 - 2¹² = 145099343791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145099347857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356087 + ... + 645752.

It is an arithmetic number, because the mean of its divisors is an integer number (13108575480).

Almost surely, 2^145099347887 is an apocalyptic number.

145099347887 is a deficient number, since it is larger than the sum of its proper divisors (12203557873).

145099347887 is a wasteful number, since it uses less digits than its factorization.

145099347887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002722 (or 1002709 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 145099347887 in words is "one hundred forty-five billion, ninety-nine million, three hundred forty-seven thousand, eight hundred eighty-seven".