1045450521 has 12 divisors (see below), whose sum is σ = 1515671040. Its totient is φ = 694393560.

The previous prime is 1045450519. The next prime is 1045450531. The reversal of 1045450521 is 1250545401.

1045450521 is a `hidden beast` number, since 104 + 54 + 505 + 2 + 1 = 666.

1045450521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1045450521 - 2¹ = 1045450519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045450531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211881 + ... + 216758.

It is an arithmetic number, because the mean of its divisors is an integer number (126305920).

Almost surely, 2^1045450521 is an apocalyptic number.

It is an amenable number.

1045450521 is a deficient number, since it is larger than the sum of its proper divisors (470220519).

1045450521 is a wasteful number, since it uses less digits than its factorization.

1045450521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428916 (or 428913 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1045450521 is about 32333.4273005507. The cubic root of 1045450521 is about 1014.9262715906.

Adding to 1045450521 its reverse (1250545401), we get a palindrome (2295995922).

The spelling of 1045450521 in words is "one billion, forty-five million, four hundred fifty thousand, five hundred twenty-one".