2045450143 has 8 divisors (see below), whose sum is σ = 2237834880. Its totient is φ = 1854137880.

The previous prime is 2045450119. The next prime is 2045450171. The reversal of 2045450143 is 3410545402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045450143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045450843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264123 + ... + 271756.

It is an arithmetic number, because the mean of its divisors is an integer number (279729360).

Almost surely, 2^2045450143 is an apocalyptic number.

2045450143 is a deficient number, since it is larger than the sum of its proper divisors (192384737).

2045450143 is a wasteful number, since it uses less digits than its factorization.

2045450143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536237.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2045450143 is about 45226.6530156721. The cubic root of 2045450143 is about 1269.3935854959.

Adding to 2045450143 its reverse (3410545402), we get a palindrome (5455995545).

The spelling of 2045450143 in words is "two billion, forty-five million, four hundred fifty thousand, one hundred forty-three".