1650014545 has 4 divisors (see below), whose sum is σ = 1980017460. Its totient is φ = 1320011632.

The previous prime is 1650014491. The next prime is 1650014567. The reversal of 1650014545 is 5454100561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260887104 + 1389127441 = 16152^2 + 37271^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650014545 - 2¹⁹ = 1649490257 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165001450 + ... + 165001459.

It is an arithmetic number, because the mean of its divisors is an integer number (495004365).

Almost surely, 2^1650014545 is an apocalyptic number.

It is an amenable number.

1650014545 is a deficient number, since it is larger than the sum of its proper divisors (330002915).

1650014545 is an equidigital number, since it uses as much as digits as its factorization.

1650014545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330002914.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1650014545 is about 40620.3710593589. The cubic root of 1650014545 is about 1181.6692226448.

The spelling of 1650014545 in words is "one billion, six hundred fifty million, fourteen thousand, five hundred forty-five".