45252045 has 48 divisors (see below), whose sum is σ = 83818800. Its totient is φ = 22505472.

The previous prime is 45252041. The next prime is 45252047. The reversal of 45252045 is 54025254.

45252045 is a `hidden beast` number, since 452 + 5 + 204 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 133956 + 45118089 = 366^2 + 6717^2 .

It is not a de Polignac number, because 45252045 - 2² = 45252041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45252041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113787 + ... + 114183.

It is an arithmetic number, because the mean of its divisors is an integer number (1746225).

Almost surely, 2^45252045 is an apocalyptic number.

45252045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45252045 is a deficient number, since it is larger than the sum of its proper divisors (38566755).

45252045 is a wasteful number, since it uses less digits than its factorization.

45252045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45252045 is about 6726.9640254724. The cubic root of 45252045 is about 356.3521664501.

Adding to 45252045 its reverse (54025254), we get a palindrome (99277299).

The spelling of 45252045 in words is "forty-five million, two hundred fifty-two thousand, forty-five".