5146405445 has 4 divisors (see below), whose sum is σ = 6175686540. Its totient is φ = 4117124352.

The previous prime is 5146405391. The next prime is 5146405447. The reversal of 5146405445 is 5445046415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5445046415 = 5 ⋅1089009283.

It can be written as a sum of positive squares in 2 ways, for example, as 1144198276 + 4002207169 = 33826^2 + 63263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5146405445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5146405399 and 5146405408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5146405447) by changing a digit.

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, 514640540 + ... + 514640549.

It is an arithmetic number, because the mean of its divisors is an integer number (1543921635).

Almost surely, 2^5146405445 is an apocalyptic number.

It is an amenable number.

5146405445 is a deficient number, since it is larger than the sum of its proper divisors (1029281095).

5146405445 is a wasteful number, since it uses less digits than its factorization.

5146405445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029281094.

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 5146405445 is about 71738.4516490285. The cubic root of 5146405445 is about 1726.5056316171.

The spelling of 5146405445 in words is "five billion, one hundred forty-six million, four hundred five thousand, four hundred forty-five".