50455140145 has 16 divisors (see below), whose sum is σ = 62083361232. Its totient is φ = 39351029760.

The previous prime is 50455140121. The next prime is 50455140199. The reversal of 50455140145 is 54104155405.

It can be written as a sum of positive squares in 8 ways, for example, as 37618929936 + 12836210209 = 193956^2 + 113297^2 .

It is not a de Polignac number, because 50455140145 - 2⁷ = 50455140017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50455140145.

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, 697512 + ... + 766441.

It is an arithmetic number, because the mean of its divisors is an integer number (3880210077).

Almost surely, 2^50455140145 is an apocalyptic number.

It is an amenable number.

50455140145 is a deficient number, since it is larger than the sum of its proper divisors (11628221087).

50455140145 is a wasteful number, since it uses less digits than its factorization.

50455140145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464132.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 50455140145 in words is "fifty billion, four hundred fifty-five million, one hundred forty thousand, one hundred forty-five".