145587040261 has 16 divisors (see below), whose sum is σ = 160630122240. Its totient is φ = 131093930880.

The previous prime is 145587040259. The next prime is 145587040271. The reversal of 145587040261 is 162040785541.

It is a cyclic number.

It is not a de Polignac number, because 145587040261 - 2¹ = 145587040259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145587040271) 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 in 15 ways as a sum of consecutive naturals, for example, 6875256 + ... + 6896398.

It is an arithmetic number, because the mean of its divisors is an integer number (10039382640).

Almost surely, 2^145587040261 is an apocalyptic number.

It is an amenable number.

145587040261 is a deficient number, since it is larger than the sum of its proper divisors (15043081979).

145587040261 is a wasteful number, since it uses less digits than its factorization.

145587040261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34116.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 145587040261 in words is "one hundred forty-five billion, five hundred eighty-seven million, forty thousand, two hundred sixty-one".