20143254045 has 16 divisors (see below), whose sum is σ = 32260250880. Its totient is φ = 10732720704.

The previous prime is 20143254037. The next prime is 20143254091. The reversal of 20143254045 is 54045234102.

It is not a de Polignac number, because 20143254045 - 2³ = 20143254037 is a prime.

It is a congruent number.

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, 630654 + ... + 661823.

It is an arithmetic number, because the mean of its divisors is an integer number (2016265680).

Almost surely, 2^20143254045 is an apocalyptic number.

It is an amenable number.

20143254045 is a deficient number, since it is larger than the sum of its proper divisors (12116996835).

20143254045 is a wasteful number, since it uses less digits than its factorization.

20143254045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293524.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20143254045 its reverse (54045234102), we get a palindrome (74188488147).

The spelling of 20143254045 in words is "twenty billion, one hundred forty-three million, two hundred fifty-four thousand, forty-five".