45291918443 has 4 divisors (see below), whose sum is σ = 45595891200. Its totient is φ = 44987945688.

The previous prime is 45291918431. The next prime is 45291918521. The reversal of 45291918443 is 34481919254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34481919254 = 2 ⋅17240959627.

It is a cyclic number.

It is not a de Polignac number, because 45291918443 - 2⁸ = 45291918187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45291918391 and 45291918400.

It is not an unprimeable number, because it can be changed into a prime (45291912443) 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, 151986155 + ... + 151986452.

It is an arithmetic number, because the mean of its divisors is an integer number (11398972800).

Almost surely, 2^45291918443 is an apocalyptic number.

45291918443 is a deficient number, since it is larger than the sum of its proper divisors (303972757).

45291918443 is a wasteful number, since it uses less digits than its factorization.

45291918443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303972756.

The product of its digits is 1244160, while the sum is 50.

The spelling of 45291918443 in words is "forty-five billion, two hundred ninety-one million, nine hundred eighteen thousand, four hundred forty-three".