45149172343 has 4 divisors (see below), whose sum is σ = 49253642568. Its totient is φ = 41044702120.

The previous prime is 45149172323. The next prime is 45149172353. The reversal of 45149172343 is 34327194154.

45149172343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45149172343 - 2⁵ = 45149172311 is a prime.

It is a super-2 number, since 2×45149172343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45149172343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149172323) 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, 2052235096 + ... + 2052235117.

It is an arithmetic number, because the mean of its divisors is an integer number (12313410642).

Almost surely, 2^45149172343 is an apocalyptic number.

45149172343 is a deficient number, since it is larger than the sum of its proper divisors (4104470225).

45149172343 is a wasteful number, since it uses less digits than its factorization.

45149172343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104470224.

The product of its digits is 362880, while the sum is 43.

The spelling of 45149172343 in words is "forty-five billion, one hundred forty-nine million, one hundred seventy-two thousand, three hundred forty-three".