40245000143 has 4 divisors (see below), whose sum is σ = 40255241928. Its totient is φ = 40234758360.

The previous prime is 40245000139. The next prime is 40245000151. The reversal of 40245000143 is 34100054204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40245000143 - 2² = 40245000139 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 (40245000163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5114996 + ... + 5122857.

It is an arithmetic number, because the mean of its divisors is an integer number (10063810482).

Almost surely, 2^40245000143 is an apocalyptic number.

40245000143 is a deficient number, since it is larger than the sum of its proper divisors (10241785).

40245000143 is a wasteful number, since it uses less digits than its factorization.

40245000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241784.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40245000143 its reverse (34100054204), we get a palindrome (74345054347).

The spelling of 40245000143 in words is "forty billion, two hundred forty-five million, one hundred forty-three", and thus it is an aban number.