2140203153445 has 16 divisors (see below), whose sum is σ = 2941558391808. Its totient is φ = 1464356557440.

The previous prime is 2140203153409. The next prime is 2140203153469. The reversal of 2140203153445 is 5443513020412.

It is not a de Polignac number, because 2140203153445 - 2⁷ = 2140203153317 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 2140203153445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66886261 + ... + 66918250.

It is an arithmetic number, because the mean of its divisors is an integer number (183847399488).

Almost surely, 2^{2140203153445} is an apocalyptic number.

It is an amenable number.

2140203153445 is a deficient number, since it is larger than the sum of its proper divisors (801355238363).

2140203153445 is a wasteful number, since it uses less digits than its factorization.

2140203153445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133804980.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 2140203153445 its reverse (5443513020412), we get a palindrome (7583716173857).

The spelling of 2140203153445 in words is "two trillion, one hundred forty billion, two hundred three million, one hundred fifty-three thousand, four hundred forty-five".