814648545 has 48 divisors (see below), whose sum is σ = 1454124672. Its totient is φ = 421666560.

The previous prime is 814648529. The next prime is 814648621. The reversal of 814648545 is 545846418.

It is a happy number.

It is not a de Polignac number, because 814648545 - 2⁴ = 814648529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 814648545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321885 + ... + 324405.

It is an arithmetic number, because the mean of its divisors is an integer number (30294264).

Almost surely, 2^814648545 is an apocalyptic number.

It is an amenable number.

814648545 is a deficient number, since it is larger than the sum of its proper divisors (639476127).

814648545 is a wasteful number, since it uses less digits than its factorization.

814648545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2739 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 814648545 is about 28542.0487176376. The cubic root of 814648545 is about 933.9495748202.

It can be divided in two parts, 81464 and 8545, that added together give a palindrome (90009).

The spelling of 814648545 in words is "eight hundred fourteen million, six hundred forty-eight thousand, five hundred forty-five".