45143242345 has 4 divisors (see below), whose sum is σ = 54171890820. Its totient is φ = 36114593872.

The previous prime is 45143242321. The next prime is 45143242357. The reversal of 45143242345 is 54324234154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11039494761 + 34103747584 = 105069^2 + 184672^2 .

It is a cyclic number.

It is not a de Polignac number, because 45143242345 - 2²³ = 45134853737 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 4514324230 + ... + 4514324239.

It is an arithmetic number, because the mean of its divisors is an integer number (13542972705).

Almost surely, 2^45143242345 is an apocalyptic number.

It is an amenable number.

45143242345 is a deficient number, since it is larger than the sum of its proper divisors (9028648475).

45143242345 is an equidigital number, since it uses as much as digits as its factorization.

45143242345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028648474.

The product of its digits is 230400, while the sum is 37.

Adding to 45143242345 its reverse (54324234154), we get a palindrome (99467476499).

The spelling of 45143242345 in words is "forty-five billion, one hundred forty-three million, two hundred forty-two thousand, three hundred forty-five".