145634581105 has 32 divisors (see below), whose sum is σ = 203035551264. Its totient is φ = 99309490176.

The previous prime is 145634581097. The next prime is 145634581109. The reversal of 145634581105 is 501185436541.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 20183316624 + 125451264481 = 142068^2 + 354191^2 .

It is not a de Polignac number, because 145634581105 - 2³ = 145634581097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145634581109) 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, 1184794 + ... + 1301923.

It is an arithmetic number, because the mean of its divisors is an integer number (6344860977).

Almost surely, 2^145634581105 is an apocalyptic number.

It is an amenable number.

145634581105 is a deficient number, since it is larger than the sum of its proper divisors (57400970159).

145634581105 is a wasteful number, since it uses less digits than its factorization.

145634581105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486805.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 145634581105 in words is "one hundred forty-five billion, six hundred thirty-four million, five hundred eighty-one thousand, one hundred five".