140142540501545 has 16 divisors (see below), whose sum is σ = 175509608265360. Its totient is φ = 107290084091904.

The previous prime is 140142540501463. The next prime is 140142540501559. The reversal of 140142540501545 is 545105045241041.

It can be written as a sum of positive squares in 8 ways, for example, as 61371430656064 + 78771109845481 = 7833992^2 + 8875309^2 .

It is a cyclic number.

It is not a de Polignac number, because 140142540501545 - 2¹⁴ = 140142540485161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276533524 + ... + 4276566293.

It is an arithmetic number, because the mean of its divisors is an integer number (10969350516585).

Almost surely, 2^{140142540501545} is an apocalyptic number.

It is an amenable number.

140142540501545 is a deficient number, since it is larger than the sum of its proper divisors (35367067763815).

140142540501545 is a wasteful number, since it uses less digits than its factorization.

140142540501545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553099964.

The product of its (nonzero) digits is 320000, while the sum is 41.

Adding to 140142540501545 its reverse (545105045241041), we get a palindrome (685247585742586).

The spelling of 140142540501545 in words is "one hundred forty trillion, one hundred forty-two billion, five hundred forty million, five hundred one thousand, five hundred forty-five".