154640216150453 has 12 divisors (see below), whose sum is σ = 170400317373804. Its totient is φ = 140231436048000.

The previous prime is 154640216150419. The next prime is 154640216150479. The reversal of 154640216150453 is 354051612046451.

It can be written as a sum of positive squares in 2 ways, for example, as 130203230099569 + 24436986050884 = 11410663^2 + 4943378^2 .

It is not a de Polignac number, because 154640216150453 - 2¹⁸ = 154640215888309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154640216150398 and 154640216150407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154640216152453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593490526 + ... + 1593587567.

It is an arithmetic number, because the mean of its divisors is an integer number (14200026447817).

Almost surely, 2^{154640216150453} is an apocalyptic number.

It is an amenable number.

154640216150453 is a deficient number, since it is larger than the sum of its proper divisors (15760101223351).

154640216150453 is a wasteful number, since it uses less digits than its factorization.

154640216150453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187078516 (or 3187078505 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 154640216150453 in words is "one hundred fifty-four trillion, six hundred forty billion, two hundred sixteen million, one hundred fifty thousand, four hundred fifty-three".