45145759243 has 32 divisors (see below), whose sum is σ = 50111373312. Its totient is φ = 40411699200.

The previous prime is 45145759207. The next prime is 45145759261. The reversal of 45145759243 is 34295754154.

It is a cyclic number.

It is not a de Polignac number, because 45145759243 - 2¹³ = 45145751051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45145759943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36673438 + ... + 36674668.

It is an arithmetic number, because the mean of its divisors is an integer number (1565980416).

Almost surely, 2^45145759243 is an apocalyptic number.

45145759243 is a deficient number, since it is larger than the sum of its proper divisors (4965614069).

45145759243 is a wasteful number, since it uses less digits than its factorization.

45145759243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 3024000, while the sum is 49.

The spelling of 45145759243 in words is "forty-five billion, one hundred forty-five million, seven hundred fifty-nine thousand, two hundred forty-three".