144540165362536 has 64 divisors (see below), whose sum is σ = 292555267488000. Its totient is φ = 66731613143040.

The previous prime is 144540165362533. The next prime is 144540165362561. The reversal of 144540165362536 is 635263561045441.

It is not an unprimeable number, because it can be changed into a prime (144540165362533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40254201 + ... + 43697608.

It is an arithmetic number, because the mean of its divisors is an integer number (4571176054500).

Almost surely, 2^{144540165362536} is an apocalyptic number.

It is an amenable number.

144540165362536 is an abundant number, since it is smaller than the sum of its proper divisors (148015102125464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144540165362536 is a wasteful number, since it uses less digits than its factorization.

144540165362536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83952122 (or 83952118 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 144540165362536 in words is "one hundred forty-four trillion, five hundred forty billion, one hundred sixty-five million, three hundred sixty-two thousand, five hundred thirty-six".