145589000191 has 32 divisors (see below), whose sum is σ = 155367833600. Its totient is φ = 136181865600.

The previous prime is 145589000189. The next prime is 145589000203. The reversal of 145589000191 is 191000985541.

It is a cyclic number.

It is not a de Polignac number, because 145589000191 - 2¹ = 145589000189 is a prime.

It is a super-2 number, since 2×145589000191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145589000131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146910706 + ... + 146911696.

It is an arithmetic number, because the mean of its divisors is an integer number (4855244800).

Almost surely, 2^145589000191 is an apocalyptic number.

145589000191 is the 220295-th hex number.

145589000191 is a deficient number, since it is larger than the sum of its proper divisors (9778833409).

145589000191 is a wasteful number, since it uses less digits than its factorization.

145589000191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 64800, while the sum is 43.

The spelling of 145589000191 in words is "one hundred forty-five billion, five hundred eighty-nine million, one hundred ninety-one", and thus it is an aban number.